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4 Commits

Author SHA1 Message Date
83793fc668 strings 2018-01-09 12:39:56 -08:00
47ee87fe72 adding logging 2018-01-09 09:03:22 -08:00
374fa36548 cholesky 2018-01-08 23:15:43 -08:00
358ef7e19f started on matrix library 2018-01-08 23:05:09 -08:00
732 changed files with 10839 additions and 29620 deletions

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@ -1,35 +0,0 @@
---
name: Bug report
about: Create a report to help us improve
---
**Describe the bug**
A clear and concise description of what the bug is.
**To Reproduce**
Steps to reproduce the behavior:
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error
**Expected behavior**
A clear and concise description of what you expected to happen.
**Screenshots**
Add screenshots to help explain your problem. You can copy paste the screenshot in the github report. The .gif screen recording is very useful as well.
**Desktop (please complete the following information):**
- OS: [e.g. iOS]
- Browser [e.g. chrome, safari]
- Version [e.g. 22]
**Smartphone (please complete the following information):**
- Device: [e.g. iPhone6]
- OS: [e.g. iOS8.1]
- Browser [e.g. stock browser, safari]
- Version [e.g. 22]
**Additional context**
Add any other context about the problem here.

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@ -1,17 +0,0 @@
---
name: Feature request
about: Suggest an idea for this project
---
**Is your feature request related to a problem? Please describe.**
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
**Describe the solution you'd like**
A clear and concise description of what you want to happen.
**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features you've considered.
**Additional context**
Add any other context or screenshots about the feature request here.

1
.gitignore vendored
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@ -16,7 +16,6 @@ clients/win10/*.opendb
clients/**/bin/**
clients/**/obj/**
clients/electron/projects
libs/**/_locales/**
videos/**

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@ -1,17 +1,17 @@
# LEGO® MINDSTORMS® Education EV3 for Microsoft MakeCode
# LEGO Mindstorms EV3 target for PXT
[![Build Status](https://ci2.dot.net/buildStatus/icon?job=Private/pxt_project_rainbow/master/pxt-ev3_Push)](https://ci2.dot.net/job/Private/job/pxt_project_rainbow/job/master/job/pxt-ev3_Push/)
This repo contains the editor target hosted at https://makecode.legoeducation.com
This repo contains the editor target hosted at https://d541eec2-1e96-4b7b-a223-da9d01d0337a.pxt.io/
LEGO Auth: https://src.education.lego.com/groups/ev3-makecode (use Google Authenticator)
LEGO Chat: https://chat.internal.education.lego.com/make-code/channels/town-square
LEGO Chat: https://chat.internal.education.lego.com/make-code/channels/town-square
## Local Dev setup
These instructions assume familiarity with dev tools and languages.
* install Node.js 8.9.4+
* install Node.js 6+
* install Docker; make sure `docker` command is in your `PATH`
* (optional) install [Visual Studio Code](https://code.visualstudio.com/)
@ -24,6 +24,7 @@ In a common folder,
```
npm install
typings install
```
* go to ``pxt-common-packages`` and run
@ -57,6 +58,12 @@ cd libs/core
pxt deploy
```
### Hosted editor
Currently hosted at:
https://d541eec2-1e96-4b7b-a223-da9d01d0337a.pxt.io/
### Jenkins build
https://ci2.dot.net/job/Private/job/pxt_project_rainbow/job/master/

6
cmds/pxtrequire.ts Normal file
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@ -0,0 +1,6 @@
/// <reference path="../node_modules/pxt-core/built/pxtlib.d.ts" />
import * as path from "path";
export let pxtCore = require("pxt-core");
// require.resolve() gives path to [pxt dir]/built/pxt.js, so move up twice to get pxt root dir
export let pxtCoreDir = path.resolve(require.resolve("pxt-core"), "..", "..");

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@ -1,18 +0,0 @@
<footer class="ui vertical footer segment hideprint" aria-hidden="false">
<div class="ui center aligned container">
<div class="ui section divider"></div>
<div class="ui container horizontal small divided link list">
<!-- <a class="item" href="https://makecode.com/contact" target="_blank" rel="noopener">Contact Us</a> -->
<a class="item" href="https://makecode.com/privacy" target="_blank" rel="noopener">Privacy &amp; Cookies</a>
<a class="item" href="https://makecode.com/termsofuse" target="_blank" rel="noopener"> Terms Of Use</a>
<a class="item" href="https://makecode.com/trademarks" target="_blank" rel="noopener">Trademarks</a>
<div class="item">© 2018 Microsoft</div>
</div>
<div class="ui container horizontal small divided link list">
<a class="ui centered item" href="https://makecode.com/" title="Microsoft MakeCode" target="_blank" rel="noopener">Powered by Microsoft MakeCode</a>
</div>
<div class="ui centered container small list">
<p class="item">LEGO, the LEGO logo, MINDSTORMS and the MINDSTORMS EV3 logo are trademarks and/ or copyrights of the LEGO Group. ©2018 The LEGO Group. All rights reserved.</p>
</div>
</div>
</footer>

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@ -1,125 +1,5 @@
# @extends
## Support #support
* [Troubleshoot](/troubleshoot)
* [EV3 Manager](https://ev3manager.education.lego.com/)
* [LEGO Support](https://www.lego.com/service/)
## Projects #projects
* [Getting Started](/getting-started)
* [Try](/getting-started/try)
* [Use](/getting-started/use)
* [Tutorials](/tutorials)
* [Wake Up!](/tutorials/wake-up)
* [Make An Animation](/tutorials/make-an-animation)
* [What Animal Am I?](/tutorials/what-animal-am-i)
* [Music Brick](/tutorials/music-brick)
* [Run Motors](/tutorials/run-motors)
* [Touch to Run](/tutorials/touch-to-run)
* [Touch Sensor Values](/tutorials/touch-sensor-values)
* [What Color?](/tutorials/what-color)
* [Line Following](/tutorials/line-following)
* [Red Light, Green Light](/tutorials/redlight-greenlight)
* [Object Near?](/tutorials/object-near)
* [Security Alert](/tutorials/security-alert)
* [Coding](/coding)
* [Autonomous Parking](/coding/autonomous-parking)
* [Object Detection](/coding/object-detection)
* [Line Detection](/coding/line-detection)
* [Design Engineering](/design-engineering)
* [Make It Move Without Wheels](/design-engineering/make-it-move)
* [Make It Smarter and Faster](/design-engineering/make-it-smarter)
* [Make a System that Communicates](/design-engineering/make-it-communicate)
* [Maker](/maker)
* [Make a Sound Machine](/maker/sound-machine)
* [Make a Security Gadget](/maker/security-gadget)
## Reference #reference
* [Reference](/reference)
* [Brick](/reference/brick)
* [show string](/reference/brick/show-string)
* [show number](/reference/brick/show-number)
* [show value](/reference/brick/show-value)
* [show mood](/reference/brick/show-mood)
* [show image](/reference/brick/show-image)
* [clear screen](/reference/brick/clear-screen)
* [show ports](/reference/brick/show-ports)
* [on event](/reference/brick/button/on-event)
* [is pressed](/reference/brick/button/is-pressed)
* [was pressed](/reference/brick/button/was-pressed)
* [pause until](/reference/brick/button/pause-until)
* [set light](/reference/brick/set-status-light)
* [battery level](/reference/brick/battery-level)
* [Motors](/reference/motors)
* [run](/reference/motors/motor/run)
* [stop](/reference/motors/motor/stop)
* [reset](/reference/motors/motor/reset)
* [set brake](/reference/motors/motor/set-brake)
* [set inverted](/reference/motors/motor/set-inverted)
* [set regulated](/reference/motors/motor/set-regulated)
* [tank](/reference/motors/synced/tank)
* [steer](/reference/motors/synced/steer)
* [angle](/reference/motors/motor/angle)
* [speed](/reference/motors/motor/speed)
* [clear counts](/reference/motors/motor/clear-counts)
* [stop all motors](/reference/motors/stop-all)
* [Sensors](/reference/sensors)
* [Touch](/reference/sensors/touch-sensor)
* [on event](/reference/sensors/touch-sensor/on-event)
* [pause until](/reference/sensors/touch-sensor/pause-until)
* [is pressed](/reference/sensors/touch-sensor/is-pressed)
* [was pressed](/reference/sensors/touch-sensor/was-pressed)
* [Gyro](/reference/sensors/gyro)
* [angle](/reference/sensors/gyro/angle)
* [rate](/reference/sensors/gyro/rate)
* [reset](/reference/sensors/gyro/reset)
* [Ultrasonic](/reference/sensors/ultrasonic)
* [on event](/reference/sensors/ultrasonic/on-event)
* [distance](reference/sensors/ultrasonic/distance)
* [pause until](reference/sensors/ultrasonic/pause-until)
* [Infrared](/reference/sensors/infrared)
* [on event](/reference/sensors/infrared/on-event)
* [distance](reference/sensors/infrared/proximity)
* [pause until](reference/sensors/infrared/pause-until)
* [Infrared beacon](/reference/sensors/beacon)
* [on event](/reference/sensors/beacon/on-event)
* [pause until](/reference/sensors/beacon/pause-until)
* [is pressed](/reference/sensors/beacon/is-pressed)
* [was pressed](/reference/sensors/beacon/was-pressed)
* [set remote channel](/reference/sensors/beacon/set-remote-channel)
* [Color](/reference/sensors/color-sensor)
* [on color detected](/reference/sensors/color-sensor/on-color-detected)
* [pause until color detected](/reference/sensors/color-sensor/pause-until-color-detected)
* [on light detected](/reference/sensors/color-sensor/on-light-detected)
* [pause until light condition detected](/reference/sensors/color-sensor/pause-until-light-detected)
* [color](/reference/sensors/color-sensor/color)
* [light](/reference/sensors/color-sensor/ambient-light)
* [Music](/reference/music)
* [play sound effect](/reference/music/play-sound-effect)
* [play sound effect until done](/reference/music/play-sound-effect-until-done)
* [play tone](/reference/music/play-tone)
* [ring tone](/reference/music/ring-tone)
* [stop all sounds](/reference/music/stop-all-sounds)
* [rest](/reference/music/rest)
* [change tempo by](/reference/music/change-tempo-by)
* [set tempo](/reference/music/set-tempo)
* [note frequency](/reference/music/note-frequency)
* [beat](/reference/music/beat)
* [set volume](/reference/music/set-volume)
* [Control](/reference/control)
* [Timer](/reference/control/timer)
* [seconds](/reference/control/timer/seconds)
* [millis](/reference/control/timer/millis)
* [reset](/reference/control/timer/reset)
* [pause until](/reference/control/timer/pause-until)
* [Console](/reference/console)
* [log](/reference/console/log)
* [log value](/reference/console/log-value)
* [send to screen](/reference/console/send-to-screen)

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@ -6,42 +6,38 @@ Welcome to the **Microsoft MakeCode** editor for the **@boardname@**!
You can program the @boardname@ using [Blocks](/blocks) or [JavaScript](/javascript) in your web browser:
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Bumped, () => {
motors.largeA.run(50)
```block
input.buttonA.onEvent(ButtonEvent.Click, () => {
light.showRing(`blue blue blue blue blue blue blue blue blue blue`)
})
```
```typescript
brick.buttonEnter.onEvent(ButtonEvent.Bumped, () => {
motors.largeA.run(50)
input.buttonA.onEvent(ButtonEvent.Click, () => {
light.showRing(`blue blue blue blue blue blue blue blue blue blue`)
})
```
The editor works in [most modern browsers](/browsers). It works [offline](/offline) once loaded and doesn't require any installation. Take a look at some of the [features](/about/editor-features) of the editor.
The editor work in [most modern browsers](/browsers), work [offline](/offline) once loaded and do not require any installation.
## Compile and Flash: Your Program!
## [Compile and Flash: Your Program!](/device/usb)
When you have your code ready, you connect your EV3 Brick to a computer with a USB cable so it appears as an attached drive (named **@drivename@**).
When you have your code ready, you connect your @boardname@ to a computer via a USB cable
**then press the reset button** so it appears as a mounted drive (named **CPLAYBOOT**).
Compilation to machine code from [Blocks](/blocks) or [JavaScript](/javascript) happens in the browser. You save the binary
program to a **.uf2** file, which you then copy to the **@drivename@** drive. The process of copying will flash the device with the new program.
### ~ hint
Not seeing the **@drivename@** drive? Make sure to upgrade your firmware at https://ev3manager.education.lego.com/. Try these [troubleshooting](/troubleshoot) tips if you still have trouble getting the drive to appear.
### ~
program to a **.uf2** file, which you then copy to the **CPLAYBOOT** drive, which flashes the device with the new program.
## Simulator: Test Your Code
You can run your code using the @boardname@ simulator, all inside the same browser window.
The simulator has support for the EV3 Brick screen, buttons, sensors, and motors.
You can run your code using the micro:bit simulator, all within the confines of a web browser.
The simulator has support for the LED screen, buttons, as well as compass, accelerometer, and digital I/O pins.
```sim
brick.buttonEnter.onEvent(ButtonEvent.Bumped, () => {
motors.largeA.run(50)
motors.mediumD.run(50)
sensors.touch1.pauseUntil(ButtonEvent.Pressed)
sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectDetected)
loops.forever(() => {
light.pixels.showAnimation(light.animation(LightAnimation.Rainbow), 1000)
})
```
```
```package
light
```

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@ -1,72 +0,0 @@
# @extends
#### #blocks-images
| |
|-|
| ![Blocks Toolbox with Loops shelf open](/static/about/blocks-toolbox.png) |
| Blocks Toolbox |
#### #home-images
| |
|-|
| ![Home button](/static/about/home-button.png) |
| Home Button |
#### #share-images
| |
|-|
| ![Share button](/static/about/share-button.png) |
| Share Button |
#### #blocksjs-images
| |
|-|
| ![Switch from Blocks to JavaScript](/static/about/blocks-to-js.gif) |
| Switch from Blocks to JavaScript |
#### #help-images
| |
|-|
| ![Help button](/static/about/help-button.png) |
| Help Button |
#### #moresettings-images
| |
|-|
| ![More settings button](/static/about/more-settings.png) |
| More Button |
#### #undoredo-images
| | | |
|-|-|-|
| ![Undo button](/static/about/undo-button.png) | | ![Redo button](/static/about/redo-button.png) |
| Undo Button | | Redo Button |
#### #zoom-images
| | | |
|-|-|-|
| ![Zoom in button](/static/about/zoom-in.png) | | ![Zoom out button](/static/about/zoom-out.png) |
| Zoom In | | Zoom Out |
#### #saveproject-images
| |
|-|
| ![Save project field](/static/about/save-project.png) |
| Save Project |
#### #download-images
| |
|-|
| ![Download button](/static/about/download-button.png) |
| Download Button |

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@ -3,6 +3,6 @@
### #specific
```cards
forever(() => {});
pause(0)
loops.forever(() => {});
loops.pause(0)
```

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@ -1,702 +0,0 @@
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:og="http://ogp.me/ns#" xmlns:fb="http://www.facebook.com/2008/fbml">
<head>
<meta charset="UTF-8">
<title>LEGO® MINDSTORMS® Education EV3 Offline App</title>
<meta name="Description" content="A MakeCode for LEGO® MINDSTORMS® Education EV3 offline app" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- @include indexhead.html -->
<style>
p.item {
color: rgba(0, 0, 0, 0.4);
}
.ui.inverted.content {
background: #00a5c8;
}
.content.segment {
min-height: 80%;
}
.content .welcomeheader {
font-weight: 300;
}
.footer.segment {
padding: 5em 0em;
}
.image.left {
padding-left: 2em;
}
.image.right {
padding-right: 2em;
float: right;
}
.segments {
max-width: 60%;
}
.segments.terms-container {
margin-top: 5em;
}
.terms-container .segment {
background-color: rgb(250, 250, 250);
}
@media only screen and (max-width: 800px) {
.grid .column .image {
display: none;
}
.segments {
max-width: 95%;
}
}
</style>
<!-- Auto-generated styles for the license terms -->
<style type="text/css">
.terms ol {
margin: 0;
padding: 0
}
.terms table td,
.terms table th {
padding: 0
}
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font-style: normal
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text-decoration-skip-ink: none;
-webkit-text-decoration-skip: none;
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.terms .subtitle {
padding-top: 0pt;
color: #666666;
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.terms li {
color: #000000;
font-size: 11pt;
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</style>
<script>
function agreeCheckboxChanged() {
var downloadSegment = document.getElementById("download-segment");
downloadSegment.classList.toggle("hidden");
}
function downloadWin32() {
// TODO: Keep this link up-to-date with the desired release version
window.open("http://makecode.com/api/release/ev3/v0.3.2/win32");
}
</script>
</head>
<body id='root' class='root'>
<div class="ui inverted vertical center aligned segment content">
<div class="ui grid">
<div class="three wide column">
<img class="ui small image left" src="/static//lego_education_logo_white.png" />
</div>
<div class="ten wide column">
<h1 class="ui inverted welcomeheader">MakeCode Offline App</h1>
</div>
<div class="three wide column">
<img class="ui small image right" src="/static//Microsoft-logo_rgb_c-white.png" />
</div>
</div>
<div class="ui compact segments terms-container">
<div class="ui secondary center aligned segment">
Please read and accept the following terms to download the app.
</div>
<div class="ui left aligned segment terms">
<div class="c19">
<p class="c12">
<span class="c6 c5 c11">MICROSOFT PRE-RELEASE SOFTWARE LICENSE TERMS</span>
</p>
<p class="c12">
<span class="c6 c5 c11">MICROSOFT MAKECODE SOFTWARE FOR LEGO MINDSTORMS EDUCATION EV3</span>
</p>
<p class="c12 c16">
<span class="c6 c0 c5"></span>
</p>
<p class="c12">
<span class="c2 c0">These license terms are an agreement between Microsoft Corporation (or based on where you live, one
of its affiliates) and you. They apply to the software named above. The terms also apply to any
Microsoft services or updates for the software, except to the extent those have additional terms.</span>
</p>
<p class="c12 c16">
<span class="c2 c0"></span>
</p>
<p class="c12">
<span class="c6 c5 c11">If you comply with these license terms, you have the rights below.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">1.</span>
<span class="c0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>
<span class="c0 c5">INSTALLATION AND USE RIGHTS. </span>
<span class="c2 c0">You may install and use any number of copies of the software to evaluate it as you develop and test
your software applications for use with Lego Mindstorms Education EV3 hardware.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">2.</span>
<span class="c0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>
<span class="c0 c5">PRE-RELEASE SOFTWARE. </span>
<span class="c2 c0">The software is a pre-release version. It may not work the way a final version of the software will.
Microsoft may change it for the final, commercial version. We also may not release a commercial
version. Microsoft is not obligated to provide maintenance, technical support or updates to you
for the software.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">3.</span>
<span class="c0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>
<span class="c0 c5">Associated Online Services.</span>
<span class="c0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Some features of the software may provide access
to, or rely on, Azure online services, including an associated Azure online service to the software
currently in development (the &ldquo;corresponding service&rdquo;). The use of those services
(but not the software) is governed by the separate terms and privacy policies in the agreement
under which you obtained the Azure services at</span>
<span class="c0">
<a class="c4" href="https://www.google.com/url?q=https://go.microsoft.com/fwLink/p/?LinkID%3D233178&amp;sa=D&amp;ust=1529526883494000">&nbsp;</a>
</span>
<span class="c0 c18">
<a class="c4" href="https://www.google.com/url?q=https://go.microsoft.com/fwLink/p/?LinkID%3D233178&amp;sa=D&amp;ust=1529526883494000">https://go.microsoft.com/fwLink/p/?LinkID=233178</a>
</span>
<span class="c2 c0">&nbsp;(and, with respect to the corresponding service, the additional terms below). Please read them.
The services may not be available in all regions.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">4.</span>
<span class="c0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>
<span class="c0 c5">Licenses for other components.</span>
<span class="c2 c0">&nbsp;The software may include third party components with separate legal notices or governed by
other agreements, as described in the ThirdPartyNotices file accompanying the software. Even
if such components are governed by other agreements, the disclaimers and the limitations on and
exclusions of damages below also apply.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">5.</span>
<span class="c0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>
<span class="c6 c0 c5">DATA.</span>
</p>
<p class="c3 c7">
<span class="c0 c5">a.</span>
<span class="c0">&nbsp; &nbsp;</span>
<span class="c0 c5">Data Collection. </span>
<span class="c0">The software may collect information about you and your use of the software, and send that to Microsoft.
Microsoft may use this information to provide services and improve our products and services.
You may opt out of many of these scenarios, but not all, as described in the product documentation.
In using the software, you must comply with applicable law. You can learn more about data collection
and use in the help documentation and the privacy statement at</span>
<span class="c0">
<a class="c4" href="https://www.google.com/url?q=http://go.microsoft.com/fwlink/?LinkId%3D398505&amp;sa=D&amp;ust=1529526883495000">&nbsp;</a>
</span>
<span class="c0 c14">
<a class="c4" href="https://www.google.com/url?q=http://go.microsoft.com/fwlink/?LinkId%3D398505&amp;sa=D&amp;ust=1529526883495000">http://go.microsoft.com/fwlink/?LinkId=398505</a>
</span>
<span class="c2 c0">. Your use of the software operates as your consent to these practices.</span>
</p>
<p class="c3 c7">
<span class="c0 c5">b.</span>
<span class="c0">&nbsp; &nbsp;</span>
<span class="c0 c5">Processing of Personal Data. </span>
<span class="c2 c0">To the extent Microsoft is a processor or subprocessor of personal data in connection with the software,
Microsoft makes the commitments in the European Union General Data Protection Regulation Terms
of the Online Services Terms to all customers effective May 25, 2018, at http://go.microsoft.com/?linkid=9840733.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">6.</span>
<span class="c0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>
<span class="c0 c5">FEEDBACK. </span>
<span class="c2 c0">If you give feedback about the software to Microsoft, you give to Microsoft, without charge, the
right to use, share and commercialize your feedback in any way and for any purpose. You will
not give feedback that is subject to a license that requires Microsoft to license its software
or documentation to third parties because we include your feedback in them. These rights survive
this agreement.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">7.</span>
<span class="c0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>
<span class="c0 c5">SCOPE OF LICENSE.</span>
<span class="c2 c0">&nbsp;The software is licensed, not sold. This agreement only gives you some rights to use the software.
Microsoft reserves all other rights. Unless applicable law gives you more rights despite this
limitation, you may use the software only as expressly permitted in this agreement. &nbsp;In
doing so, you must comply with any technical limitations in the software that only allow you
to use it in certain ways. You may not:</span>
</p>
<p class="c1">
<span class="c2 c0">- &nbsp; &nbsp; &nbsp; work around any technical limitations in the software;</span>
</p>
<p class="c1">
<span class="c2 c0">- &nbsp; &nbsp; &nbsp; reverse engineer, decompile or disassemble the software, or attempt to do
so, except and only to the extent required by third party licensing terms governing use of certain
open source components that may be included with the software;</span>
</p>
<p class="c1">
<span class="c2 c0">- &nbsp; &nbsp; &nbsp; remove, minimize, block or modify any notices of Microsoft or its suppliers
in the software;</span>
</p>
<p class="c1">
<span class="c2 c0">- &nbsp; &nbsp; &nbsp; use the software in any way that is against the law; or</span>
</p>
<p class="c1">
<span class="c2 c0">- &nbsp; &nbsp; &nbsp; share, publish, rent or lease the software, or provide the software as a stand-alone
offering for others to use.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">8. &nbsp; UPDATES. </span>
<span class="c2 c0">The software may periodically check for updates and download and install them for you. You may obtain
updates only from Microsoft or authorized sources. Microsoft may need to update your system to
provide you with updates. You agree to receive these automatic updates without any additional
notice. Updates may not include or support all existing software features, services, or peripheral
devices.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">9.</span>
<span class="c0">&nbsp; &nbsp;</span>
<span class="c0 c5">EXPORT RESTRICTIONS.</span>
<span class="c2 c0">&nbsp;You must comply with all domestic and international export laws and regulations that apply
to the software, which include restrictions on destinations, end users and end use. For further
information on export restrictions, visit (aka.ms/exporting).</span>
</p>
<p class="c3 c9">
<span class="c0 c5">10.</span>
<span class="c0">&nbsp;</span>
<span class="c0 c5">SUPPORT SERVICES. </span>
<span class="c0 c2">Because the software is &ldquo;as is,&rdquo; we may not provide support services for it.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">11.</span>
<span class="c0">&nbsp;</span>
<span class="c0 c5">ENTIRE AGREEMENT.</span>
<span class="c2 c0">&nbsp;This agreement, and the terms for supplements, updates, Internet-based services and support
services that you use, are the entire agreement for the software and support services.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">12.</span>
<span class="c0">&nbsp;</span>
<span class="c0 c5">APPLICABLE LAW. </span>
<span class="c2 c0">If you acquired the software in the United States, Washington State law applies to interpretation
of and claims for breach of this agreement, and the laws of the state where you live apply to
all other claims. If you acquired the software in any other country, its laws apply.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">13.</span>
<span class="c0">&nbsp;</span>
<span class="c0 c5">CONSUMER RIGHTS; REGIONAL VARIATIONS. </span>
<span class="c2 c0">This agreement describes certain legal rights. You may have other rights, including consumer rights,
under the laws of your state or country. Separate and apart from your relationship with Microsoft,
you may also have rights with respect to the party from which you acquired the software. This
agreement does not change those other rights if the laws of your state or country do not permit
it to do so. For example, if you acquired the software in one of the below regions, or mandatory
country law applies, then the following provisions apply to you:</span>
</p>
<p class="c3 c7">
<span class="c0 c5">a.</span>
<span class="c0">&nbsp; &nbsp;</span>
<span class="c0 c5">Australia. </span>
<span class="c2 c0">You have statutory guarantees under the Australian Consumer Law and nothing in this agreement is
intended to affect those rights.</span>
</p>
<p class="c3 c7">
<span class="c0 c5">b.</span>
<span class="c0">&nbsp; &nbsp;</span>
<span class="c0 c5">Canada. </span>
<span class="c2 c0">If you acquired the software in Canada, you may stop receiving updates by turning off the automatic
update feature, disconnecting your device from the Internet (if and when you re-connect to the
Internet, however, the software will resume checking for and installing updates), or uninstalling
the software. The product documentation, if any, may also specify how to turn off updates for
your specific device or software.</span>
</p>
<p class="c3 c7">
<span class="c0 c5">c.</span>
<span class="c0">&nbsp; &nbsp;</span>
<span class="c0 c5">Germany and Austria</span>
<span class="c2 c0">.</span>
</p>
<p class="c8">
<span class="c0 c5">(i)</span>
<span class="c0">&nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>
<span class="c0 c5">Warranty</span>
<span class="c2 c0">. The properly licensed software will perform substantially as described in any Microsoft materials
that accompany the software. However, Microsoft gives no contractual guarantee in relation to
the licensed software.</span>
</p>
<p class="c8">
<span class="c6 c0 c5">&nbsp;</span>
</p>
<p class="c8">
<span class="c0 c5">(ii)</span>
<span class="c0">&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>
<span class="c0 c5">Limitation of Liability</span>
<span class="c2 c0">. In case of intentional conduct, gross negligence, claims based on the Product Liability Act, as
well as, in case of death or personal or physical injury, Microsoft is liable according to the
statutory law.</span>
</p>
<p class="c3 c15">
<span class="c2 c0">Subject to the foregoing clause (ii), Microsoft will only be liable for slight negligence if Microsoft
is in breach of such material contractual obligations, the fulfillment of which facilitate the
due performance of this agreement, the breach of which would endanger the purpose of this agreement
and the compliance with which a party may constantly trust in (so-called &quot;cardinal obligations&quot;).
In other cases of slight negligence, Microsoft will not be liable for slight negligence.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">14.</span>
<span class="c0">&nbsp;</span>
<span class="c0 c5">LEGAL EFFECT.</span>
<span class="c2 c0">&nbsp;This agreement describes certain legal rights. You may have other rights under the laws of
your country. You may also have rights with respect to the party from whom you acquired the software.
This agreement does not change your rights under the laws of your country if the laws of your
country do not permit it to do so.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">15.</span>
<span class="c0">&nbsp;</span>
<span class="c6 c0 c5">DISCLAIMER OF WARRANTY. THE SOFTWARE IS LICENSED &ldquo;AS-IS.&rdquo; &nbsp;YOU BEAR THE RISK OF
USING IT. MICROSOFT GIVES NO EXPRESS WARRANTIES, GUARANTEES OR CONDITIONS. TO THE EXTENT PERMITTED
UNDER YOUR LOCAL LAWS, MICROSOFT EXCLUDES THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.</span>
</p>
<p class="c3 c9">
<span class="c0 c5">16.</span>
<span class="c0">&nbsp;</span>
<span class="c6 c0 c5">LIMITATION ON AND EXCLUSION OF DAMAGES. YOU CAN RECOVER FROM MICROSOFT AND ITS SUPPLIERS ONLY DIRECT
DAMAGES UP TO U.S. $5.00. YOU CANNOT RECOVER ANY OTHER DAMAGES, INCLUDING CONSEQUENTIAL, LOST
PROFITS, SPECIAL, INDIRECT OR INCIDENTAL DAMAGES.</span>
</p>
<p class="c3 c13">
<span class="c2 c0">This limitation applies to (a) anything related to the software, services, content (including code)
on third party Internet sites, or third party programs; and (b) claims for breach of contract,
breach of warranty, guarantee or condition, strict liability, negligence, or other tort to the
extent permitted by applicable law.</span>
</p>
<p class="c3 c13">
<span class="c2 c0">It also applies even if Microsoft knew or should have known about the possibility of the damages.
The above limitation or exclusion may not apply to you because your country may not allow the
exclusion or limitation of incidental, consequential or other damages.</span>
</p>
<p class="c3">
<span class="c6 c0 c5">Please note: As the software is distributed in Quebec, Canada, some of the clauses in this agreement
are provided below in French.</span>
</p>
<p class="c3">
<span class="c0 c5 c6">Remarque : Ce logiciel &eacute;tant distribu&eacute; au Qu&eacute;bec, Canada, certaines des clauses
dans ce contrat sont fournies ci-dessous en fran&ccedil;ais.</span>
</p>
<p class="c12">
<span class="c0 c5">EXON&Eacute;RATION DE GARANTIE.</span>
<span class="c2 c0">&nbsp;Le logiciel vis&eacute; par une licence est offert &laquo; tel quel &raquo;. Toute utilisation
de ce logiciel est &agrave; votre seule risque et p&eacute;ril. Microsoft n&rsquo;accorde aucune
autre garantie expresse. Vous pouvez b&eacute;n&eacute;ficier de droits additionnels en vertu
du droit local sur la protection des consommateurs, que ce contrat ne peut modifier. La ou elles
sont permises par le droit locale, les garanties implicites de qualit&eacute; marchande, d&rsquo;ad&eacute;quation
&agrave; un usage particulier et d&rsquo;absence de contrefa&ccedil;on sont exclues.
</span>
</p>
<p class="c12">
<span class="c0 c5">LIMITATION DES DOMMAGES-INT&Eacute;R&Ecirc;TS ET EXCLUSION DE RESPONSABILIT&Eacute; POUR LES DOMMAGES.</span>
<span class="c2 c0">&nbsp;Vous pouvez obtenir de Microsoft et de ses fournisseurs une indemnisation en cas de dommages
directs uniquement &agrave; hauteur de 5,00 $ US. Vous ne pouvez pr&eacute;tendre &agrave; aucune
indemnisation pour les autres dommages, y compris les dommages sp&eacute;ciaux, indirects ou
accessoires et pertes de b&eacute;n&eacute;fices.</span>
</p>
<p class="c3">
<span class="c2 c0">Cette limitation concerne :</span>
</p>
<p class="c3">
<span class="c2 c0">- &nbsp; &nbsp; &nbsp; &nbsp; tout ce qui est reli&eacute; au logiciel, aux services ou au contenu
(y compris le code) figurant sur des sites Internet tiers ou dans des programmes tiers ; et</span>
</p>
<p class="c3">
<span class="c2 c0">- &nbsp; &nbsp; &nbsp; &nbsp; les r&eacute;clamations au titre de violation de contrat ou de garantie,
ou au titre de responsabilit&eacute; stricte, de n&eacute;gligence ou d&rsquo;une autre faute
dans la limite autoris&eacute;e par la loi en vigueur.</span>
</p>
<p class="c3">
<span class="c2 c0">Elle s&rsquo;applique &eacute;galement, m&ecirc;me si Microsoft connaissait ou devrait conna&icirc;tre
l&rsquo;&eacute;ventualit&eacute; d&rsquo;un tel dommage. Si votre pays n&rsquo;autorise pas
l&rsquo;exclusion ou la limitation de responsabilit&eacute; pour les dommages indirects, accessoires
ou de quelque nature que ce soit, il se peut que la limitation ou l&rsquo;exclusion ci-dessus
ne s&rsquo;appliquera pas &agrave; votre &eacute;gard.</span>
</p>
<p class="c17">
<span class="c0 c5">EFFET JURIDIQUE.</span>
<span class="c2 c0">&nbsp;Le pr&eacute;sent contrat d&eacute;crit certains droits juridiques. Vous pourriez avoir d&rsquo;autres
droits pr&eacute;vus par les lois de votre pays. Le pr&eacute;sent contrat ne modifie pas les
droits que vous conf&egrave;rent les lois de votre pays si celles-ci ne le permettent pas.</span>
</p>
<p class="c17 c16">
<span class="c2 c0"></span>
</p>
<p class="c12">
<span class="c2 c0">&nbsp;</span>
</p>
<p class="c12 c16">
<span class="c2 c10"></span>
</p>
</div>
</div>
<div class="ui center aligned segment">
<input id="agree-checkbox" type="checkbox" autocomplete="off" onchange="agreeCheckboxChanged(this)">
<label for="agree-checkbox">I agree to the terms</label>
</div>
<div id="download-segment" class="ui center aligned segment hidden">
<h3 class="ui">Windows</h3>
<button class="ui icon button" onclick="downloadWin32()">
<i class="download icon"></i>
makecode-ev3-setup-win32.exe
</button>
</div>
</div>
</div>
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</body>
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@ -1,27 +1,171 @@
# Coding Activites
12 computer science activities, with cross-curricular opportunities in design and technology, science, and math.
## Projects
* [Download Curriculum Materials](https://education.lego.com/en-us/downloads/mindstorms-ev3)
## Three Point Turn
```codecard
[
{
"name": "Autonomous Parking",
"description": "Design cars that can park themselves safely without driver intervention.",
"url":"/coding/autonomous-parking",
"imageUrl": "/static/lessons/autonomous-parking.png",
"cardType": "side"
"name": "Three Point Turn 1",
"description": "Activity 1",
"url":"/coding/three-point-turn-1",
"cardType": "example"
}, {
"name": "Object Detection",
"description": "Design ways to avoid accidents between vehicles and objects in the road.",
"url":"/coding/object-detection",
"imageUrl": "/static/lessons/object-detection.jpg",
"cardType": "side"
"name": "Three Point Turn 2",
"description": "Activity 2",
"url":"/coding/three-point-turn-2",
"cardType": "example"
}, {
"name": "Line Detection",
"description": "Design ways to improve driving safety by helping to prevent drivers from falling asleep and causing an accident.",
"url":"/coding/line-detection",
"imageUrl": "/static/lessons/line-detection.jpg",
"cardType": "side"
"name": "Three Point Turn 3",
"description": "Activity 3",
"url":"/coding/three-point-turn-3",
"cardType": "example"
}]
```
## Reversing the robot
```codecard
[{
"name": "Reversing the robot 1",
"description": "Activity 1",
"url":"/coding/reversing-the-robot-1",
"cardType": "example"
}, {
"name": "Reversing the robot 2",
"description": "Activity 2",
"url":"/coding/reversing-the-robot-2",
"cardType": "example"
}, {
"name": "Reversing the robot 3",
"description": "Activity 3",
"url":"/coding/reversing-the-robot-3",
"cardType": "example"
}]
```
## Light the way
```codecard
[{
"name": "Light the way 1",
"description": "Activity 1",
"url":"/coding/light-the-way-1",
"cardType": "example"
}, {
"name": "Light the way 2",
"description": "Activity 2",
"url":"/coding/light-the-way-2",
"cardType": "example"
}, {
"name": "Light the way 3",
"description": "Activity 3",
"url":"/coding/light-the-way-3",
"cardType": "example"
}
]
```
## Traffic Lights
```codecard
[{
"name": "Traffic Lights 1",
"description": "Activity 1",
"url":"/coding/traffic-lights-1",
"cardType": "example"
}, {
"name": "Traffic Lights 2",
"description": "Activity 2",
"url":"/coding/traffic-lights-2",
"cardType": "example"
}, {
"name": "Traffic Lights 3",
"description": "Activity 3",
"url":"/coding/traffic-lights-3",
"cardType": "example"
}
]
```
## Reverse Bepper
```codecard
[{
"name": "Reverse Beeper 1",
"description": "Activity 1",
"url":"/coding/reverse-beeper-1",
"cardType": "example"
}, {
"name": "Reverse Beeper 2",
"description": "Activity 2",
"url":"/coding/reverse-beeper-2",
"cardType": "example"
}, {
"name": "Reverse Beeper 3",
"description": "Activity 3",
"url":"/coding/reverse-beeper-3",
"cardType": "example"
}]
```
## Ignition
```codecard
[{
"name": "Ignition 1",
"description": "Activity 1",
"url":"/coding/ingition-1",
"cardType": "example"
}, {
"name": "Ignition 2",
"description": "Activity 2",
"url":"/coding/ignition-2",
"cardType": "example"
}, {
"name": "Ignition 3",
"description": "Activity 3",
"url":"/coding/ignition-3",
"cardType": "example"
}]
```
## Cruise Control
```codecard
[{
"name": "Cruise Control 1",
"description": "Activity 1",
"url":"/coding/cruise-control-1",
"cardType": "example"
}, {
"name": "Cruise Control 2",
"description": "Activity 2",
"url":"/coding/cruise-control-2",
"cardType": "example"
}, {
"name": "Cruise Control 3",
"description": "Activity 3",
"url":"/coding/cruise-control-3",
"cardType": "example"
}]
```
## Roaming
```codecard
[{
"name": "Roaming 1",
"description": "Activity 1",
"url":"/coding/roaming-1",
"cardType": "example"
}, {
"name": "Roaming 2",
"description": "Activity 2",
"url":"/coding/roaming-2",
"cardType": "example"
}]
```

View File

@ -1,171 +0,0 @@
# Autonomous Parking
Design cars that can park themselves safely without driver intervention.
![Autonomous parking graphic](/static/coding/autonomous-parking/auto-parking-connect.jpg)
## Connect
**Think about:**
* How do autonomous cars work?
* What would it take to ensure that autonomous cars are safe?
* What types of movements do autonomous cars need to perform?
## Construct
### Build
Build a @boardname@ vehicle that can park itself safely without driver intervention. Start by constructing this model:
[![EV3- Robot Driving Base](/static/coding/autonomous-parking/ev3-robot-driving-base.jpg)](https://le-www-live-s.legocdn.com/sc/media/lessons/mindstorms-ev3/building-instructions/ev3-rem-driving-base-79bebfc16bd491186ea9c9069842155e.pdf)
### Check
Before you program, check:
* Are all the wires correctly connected from the motors to ports B and C?
* Are the wheels correctly installed?
* Are the wheels rotating freely?
### Program
Write a program that will make the robot turn three times in various ways.
**Think about:**
* How will you make the robot turn in different ways?
* How can the robot make a three point turn?
### ~hint
Consider using these blocks in your solution:
```block
motors.largeBC.tank(50, 50)
pause(500)
```
### ~
### Sample Solution - Three Point Turn
1. When the brick button is pressed, turn the driving base right and stop after 1.5 seconds.
2. Turn the driving base left and stop after 1 second.
3. Move the driving base forward for 3 seconds.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
motors.largeBC.tank(75, 30)
loops.pause(1500)
motors.largeBC.tank(-30, -75)
loops.pause(1000)
motors.largeBC.tank(50, 50)
loops.pause(3000)
})
```
### Download and test
Click Download and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
## Contemplate
Choose one of the following autonomous driving scenarios and create a program for it:
* Parallel parking
* Angle parking
* Perpendicular parking
### ~hint
Document pseudocode for your program before choosing programming blocks.
### ~
### Sample Solution - Parallel Parking
1. When the brick button is pressed, drive forward in a straight line for 3 rotations.
2. Wait for 1 second.
3. Reverse motor rotation while turning for 1.5 rotations.
4. Reverse motor rotation while turning the other way for 1.5 rotations.
5. Drive backward in a straight line for 0.5 rotations.
6. Drive forward in a straight line for 0.5 rotations.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
motors.largeBC.steer(0, 50, 3, MoveUnit.Rotations)
pause(1000)
motors.largeBC.steer(-50, -50, 1.5, MoveUnit.Rotations)
motors.largeBC.steer(50, -50, 1.5, MoveUnit.Rotations)
motors.largeBC.steer(0, -50, 0.5, MoveUnit.Rotations)
motors.largeBC.steer(0, 50, 0.5, MoveUnit.Rotations)
})
```
### Download and test
Click Download and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
### Differentiation
Create a program that simulates displaying appropriate warning lights while parking.
### ~hint
Consider using this block in your solution:
```block
brick.setStatusLight(StatusLight.OrangeFlash)
```
### ~
### Sample Solution - Simulating Reverse Gear and Reverse Warning Lights
1. When the brick button is pressed, drive forward in a straight line for 3 rotations.
2. Wait for 1 second.
3. Set brick status light to orange flash.
4. Reverse motor rotation while turning for 1.5 rotations.
5. Reverse motor rotation while turning the other way for 1.5 rotations.
6. Drive backward in a straight line for 0.5 rotations.
7. Set brick status light to off.
8. Drive forward in a straight line for 0.5 rotations.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
motors.largeBC.steer(0, 50, 3, MoveUnit.Rotations)
pause(1000)
brick.setStatusLight(StatusLight.OrangeFlash)
motors.largeBC.steer(-50, -50, 1.5, MoveUnit.Rotations)
motors.largeBC.steer(50, -50, 1.5, MoveUnit.Rotations)
motors.largeBC.steer(0, -50, 0.5, MoveUnit.Rotations)
brick.setStatusLight(StatusLight.Off)
motors.largeBC.steer(0, 50, 0.5, MoveUnit.Rotations)
})
```
### Download and test
Click Download and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
### Share
**Think about:**
* What challenged you?
* Were there any surprises?
* How can you improve your program?
* Can your program be more streamlined? Have you used too many blocks?
* Is there a more efficient way to build your program?
* How can your program be used in real-world scenarios?
## Continue
* Click on the JavaScript tab and experiment with changing the values in the code.
* Add a custom image or sounds from the Brick or Music menus.
* Create a video of your project, especially your final presentation and your robots performance. Explain some important features of your software program.
* Include an image of your program with comments.
* Add a team photograph!
Congratulations! What will you design next?

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@ -0,0 +1,10 @@
# Cruise Control Activity 1
```blocks
let speed = 0;
sensors.touch1.onEvent(TouchSensorEvent.Pressed, function () {
if (speed < 100)
speed = speed + 10;
motors.largeBC.setSpeed(speed);
})
```

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# Cruise Control Activity 2
```blocks
let speed = 0;
sensors.touch1.onEvent(TouchSensorEvent.Pressed, function () {
if (speed < 100)
speed = speed + 10;
motors.largeBC.setSpeed(speed);
})
sensors.touch2.onEvent(TouchSensorEvent.Pressed, function () {
if (speed > -100)
speed = speed - 10;
motors.largeBC.setSpeed(speed);
})
```

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# Cruise Control Activity 3
```blocks
let speed = 0
function decelerate() {
if (speed > -100) {
speed = speed - 10
}
}
function accelerate() {
if (speed < 100) {
speed = speed + 10
}
}
function update() {
brick.clearScreen()
brick.printLine("speed: " + speed, 1)
motors.largeBC.setSpeed(speed)
}
sensors.touch2.onEvent(TouchSensorEvent.Pressed, function () {
accelerate()
update()
})
sensors.touch1.onEvent(TouchSensorEvent.Pressed, function () {
decelerate()
update()
})
```

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@ -1,65 +0,0 @@
# Cruise Control
Learn how to set and adjust motor speeds.
## Activity 1
Increase motor speed when touch sensor `1` is pressed.
```blocks
let speed = 0;
sensors.touch1.onEvent(ButtonEvent.Pressed, function () {
if (speed < 100)
speed = speed + 10;
motors.largeBC.run(speed);
})
```
## Activity 2
Add a "reduce" motor speed action when touch sensor `2` is pressed.
```blocks
let speed = 0;
sensors.touch1.onEvent(ButtonEvent.Pressed, function () {
if (speed < 100)
speed = speed + 10;
motors.largeBC.run(speed);
})
sensors.touch2.onEvent(ButtonEvent.Pressed, function () {
if (speed > -100)
speed = speed - 10;
motors.largeBC.run(speed);
})
```
## Activity 3
Refactor your code by moving the speed increase and speed decrease code into ``||functions:accelerate||`` and ``||functions:decelerate||`` functions. Run the motors at the new speed in an ``||functions:update||`` function.
```blocks
let speed = 0
function decelerate() {
if (speed > -100) {
speed = speed - 10
}
}
function accelerate() {
if (speed < 100) {
speed = speed + 10
}
}
function update() {
brick.clearScreen()
brick.showString("speed: " + speed, 1)
motors.largeBC.run(speed)
}
sensors.touch2.onEvent(ButtonEvent.Pressed, function () {
accelerate()
update()
})
sensors.touch1.onEvent(ButtonEvent.Pressed, function () {
decelerate()
update()
})
```

11
docs/coding/ignition-1.md Normal file
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# Ignition Activity 1
```blocks
sensors.touch1.onEvent(TouchSensorEvent.Pressed, function () {
brick.showImage(images.eyesDizzy)
})
sensors.ultrasonic4.onEvent(UltrasonicSensorEvent.ObjectDetected, function () {
brick.showImage(images.eyesTiredMiddle)
})
brick.showImage(images.eyesSleeping)
```

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# Ignition Activity 2
```blocks
while (true) {
if (sensors.touch1.wasPressed() &&
sensors.ultrasonic4.distance() < 10) {
music.playSoundEffectUntilDone(sounds.mechanicalMotorStart)
music.playSoundEffectUntilDone(sounds.mechanicalMotorIdle);
}
loops.pause(1);
}
```

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# Ignition Activity 3
```blocks
while (true) {
if (sensors.ultrasonic4.distance() < 10 &&
sensors.touch1.wasPressed() &&
brick.buttonEnter.wasPressed()) {
music.playSoundEffectUntilDone(sounds.mechanicalMotorStart)
music.playSoundEffectUntilDone(sounds.mechanicalMotorIdle);
}
loops.pause(1);
}
```

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@ -1,48 +0,0 @@
# Ignition
Explore sensor events and sensor status.
## Activity 1
Wait for a touch sensor press or ultrasonic object detection. Show an expression on the screen when they happen.
```blocks
sensors.touch1.onEvent(ButtonEvent.Pressed, function () {
brick.showImage(images.eyesDizzy)
})
sensors.ultrasonic4.onEvent(UltrasonicSensorEvent.ObjectDetected, function () {
brick.showImage(images.eyesTiredMiddle)
})
brick.showImage(images.eyesSleeping)
```
## Activity 2
Play some motor sounds if touch sensor `1` is pressed at the same moment when and object comes close.
```blocks
while (true) {
if (sensors.touch1.isPressed() &&
sensors.ultrasonic4.distance() < 10) {
music.playSoundEffectUntilDone(sounds.mechanicalMotorStart)
music.playSoundEffectUntilDone(sounds.mechanicalMotorIdle);
}
pause(1);
}
```
## Activity 3
Play some motor sounds if touch sensor `1` is pressed when both the `enter` button is pressed on the brick and an object comes close.
```blocks
while (true) {
if (sensors.ultrasonic4.distance() < 10 &&
sensors.touch1.isPressed() &&
brick.buttonEnter.isPressed()) {
music.playSoundEffectUntilDone(sounds.mechanicalMotorStart)
music.playSoundEffectUntilDone(sounds.mechanicalMotorIdle);
}
pause(1);
}
```

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@ -1,9 +1,9 @@
# Light the way Activity 1
```blocks
sensors.color3.onLightDetected(LightIntensityMode.Ambient, Light.Dark, function () {
sensors.color3.onLightChanged(LightIntensityMode.Ambient, LightCondition.Dark, function () {
brick.showImage(images.objectsLightOn)
pause(5000)
loops.pause(5000)
brick.clearScreen()
})
```

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@ -1,10 +1,10 @@
# Light the way Activity 2
```blocks
sensors.color3.onLightDetected(LightIntensityMode.Ambient, Light.Bright, function () {
sensors.color3.onLightChanged(LightIntensityMode.Ambient, LightCondition.Bright, function () {
brick.clearScreen()
})
sensors.color3.onLightDetected(LightIntensityMode.Ambient, Light.Dark, function () {
sensors.color3.onLightChanged(LightIntensityMode.Ambient, LightCondition.Dark, function () {
brick.showImage(images.objectsLightOn)
})
```

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@ -1,13 +1,13 @@
# Light the way Activity 3
```blocks
sensors.color3.onLightDetected(LightIntensityMode.Ambient, Light.Bright, function () {
sensors.color3.onLightChanged(LightIntensityMode.Ambient, LightCondition.Bright, function () {
brick.clearScreen()
})
sensors.color3.onLightDetected(LightIntensityMode.Ambient, Light.Dark, function () {
sensors.color3.onLightChanged(LightIntensityMode.Ambient, LightCondition.Dark, function () {
brick.showImage(images.objectsLightOn)
})
sensors.touch1.onEvent(ButtonEvent.Pressed, function () {
sensors.touch1.onEvent(TouchSensorEvent.Pressed, function () {
brick.showImage(images.objectsLightOn);
})
```

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@ -1,239 +0,0 @@
# Line Detection
Design ways to improve driving safety by helping to prevent drivers from falling asleep and causing an accident.
![Car following the line on the road](/static/coding/line-detection/car-road-line.jpg)
## Connect
Think about:
* How can autonomous cars react to different traffic light signals?
* What can happen if a driver falls asleep while driving?
* How can we detect when a driver is falling asleep?
## Construct
### Build
Build a @boardname@ vehicle that can help prevent drivers from falling asleep and causing an accident. Start by constructing this model:
[![EV3 robot with color sensor](/static/coding/line-detection/ev3-robot-color-sensor-down.jpg)](https://le-www-live-s.legocdn.com/sc/media/lessons/mindstorms-ev3/building-instructions/ev3-rem-color-sensor-down-driving-base-d30ed30610c3d6647d56e17bc64cf6e2.pdf)
Build red and green “lights” for your robot to detect. You can use LEGO bricks, colored tape, or marker on white paper. Building instructions:
[![IMAGE: Color Squares](/static/coding/line-detection/ev3-color-squares.jpg)](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/color%20squares-0a88dfd98bb2e64b5b8151fc422bae36.pdf)
### Check
Before you program, check:
* Are all the wires correctly connected from the motors to ports B and C?
* Are the wheels correctly installed?
* Are the wheels rotating freely?
* Are the wires connected from the Color Sensor to port 3?
![EV3 Driving Base](/static/coding/line-detection/ev3-robot-driving-base.jpg)
### Program
Autonomous cars need to recognize and respond to traffic lights automatically. Create a program that will make your robot stop at red lights. Make sure your robot is only responding to the color red. Once you have succeeded, program your robot to drive forward again when the light changes from red to green.
Before you program, think about:
* How will you program the robot to detect a color?
* How will you program the robot to stop at a color?
* Which programming blocks will you use?
### ~ hint
Consider using these blocks in your solution:
```block
loops.forever(function () {
})
motors.largeBC.steer(0, 50)
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Red)
motors.stopAll()
```
### ~
### Sample Solution - Red light detection
1. Loop forever.
2. Start motors ``B`` and ``C`` (drive forward).
3. Wait for the color sensor to detect the color red.
4. Stop all motors.
```blocks
loops.forever(function () {
motors.largeBC.steer(0, 50)
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Red)
motors.stopAll()
})
```
### Download and test
Click **Download** and follow the instructions to get your code onto your EV3 Brick.
Congratulations! Your robot can stop at a red light.
Now add to your program and have your robot to drive forward again when the light changes from red to green.
### Sample Solution - Red and green light detection in a loop
1. Start motors ``B`` and ``C`` (drive forward).
2. Wait for the color sensor to detect the color red.
3. Stop all motors.
4. Wait for the color sensor to detect the color green.
5. Loop forever.
```blocks
loops.forever(function () {
motors.largeBC.steer(0, 50)
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Red)
motors.stopAll()
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Green)
})
```
### Download and test
Click **Download** and follow the instructions to get your code onto your EV3 Brick.
## Contemplate
To simulate what could happen if a driver falls asleep while driving, your robot could sound an alarm signal when it crosses the line. This feature is often available in new cars.
Program your robot to perform this function.
Draw a dark line with tape or marker for your robot to cross.
### ~hint
Consider using these blocks in your solution:
```block
motors.largeBC.steer(0, 50)
music.playSoundEffect(sounds.systemGeneralAlert)
```
### ~
### Sample Solution - Line detection in a loop
1. Start motors ``B`` and ``C`` (drive forward with a curve toward the line).
2. Wait for the color sensor to detect the color black.
3. Play sound effect ``system general alert``.
4. Start motors ``B`` and ``C`` (drive forward with a curve away from the line).
5. Wait for the color sensor to detect the color white.
6. Loop forever.
```blocks
loops.forever(function () {
motors.largeBC.steer(-30, 20)
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Black)
music.playSoundEffect(sounds.systemGeneralAlert)
motors.largeBC.steer(30, 20)
sensors.color3.pauseUntilColorDetected(ColorSensorColor.White)
})
```
#### Download and test
Click **Download** and follow the instructions to get your code onto your EV3 Brick.
#### Differentiation
Program your robot to drive on “autopilot” along a given route. You will need to create a program that recognizes and responds to a dark line (or white line). You will create a line-following program and your robot will need to travel along the line without losing contact with it.
You will need to constantly debug your program in order to make your robot travel as smoothly as possible along the line.
### ~hint
Consider using these blocks in your solution:
```block
while (true) {
}
motors.largeBC.steer(0, 50)
```
> **- OR -**
```block
if (true) {
} else {
}
```
### ~
### Sample Solutions - Line Following in Loop
#### Method 1
1. While the Color Sensor detects the color black, start motors ``B`` and ``C`` (drive forward with a curve toward the line).
2. While the Color Sensor detects the color white, start motors ``B`` and ``C`` (drive forward with a curve away from the line).
3. Loop forever.
```blocks
forever(function () {
while (true) {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Black)
motors.largeBC.steer(-30, 50)
}
while (true) {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.White)
motors.largeBC.steer(30, 50)
}
})
```
#### Method 2
1. If the Color Sensor detects the color black, start motors ``B`` and ``C`` (drive forward with a curve toward the line).
Else the Color Sensor detects the color white, start motors ``B`` and ``C`` (drive forward with a curve away from the line).
2. Loop forever.
```blocks
forever(function () {
if (true) {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Black)
motors.largeBC.steer(-30, 50)
} else {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.White)
motors.largeBC.steer(30, 50)
}
})
```
### Download and test
Click **Download** and follow the instructions to get your code onto your EV3 Brick.
### Share
Think about:
* What challenged you?
* Were there any surprises?
* How can you improve your program?
* Can your program be more streamlined? Have you used too many blocks?
* Is there a more efficient way to build your program?
* How can your program be used in real-world scenarios?
Personalize:
* Click on the **JavaScript** tab and experiment with changing the values in the code.
* Add a custom image or sounds from the ``||brick:Brick||`` or ``||music:Music||`` menus.
* Create a video of your project, especially your final presentation and your robots performance. Explain some important features of your software program.
* Include an image of your program with comments.
* Add a team photograph!
Congratulations! What will you design next?

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@ -1,137 +0,0 @@
# Object Detection
Design ways to avoid accidents between vehicles and objects in the road.
![Deer in the road](/static/coding/object-detection/road-deer.jpg)
## Connect
Think about:
* In what driving situations can a car hit an obstacle?
* What do you need to be aware of to avoid collisions with obstacles?
* What causes traffic jams in high density areas?
## Construct
### Build
Build a @boardname@ vehicle that can avoid accidents between vehicles and objects in the road. Start by constructing this model:
[![EV3 Robot Driving Base](/static/coding/object-detection/ev3-robot-driving-base.jpg)](https://le-www-live-s.legocdn.com/sc/media/lessons/mindstorms-ev3/building-instructions/ev3-ultrasonic-sensor-driving-base-61ffdfa461aee2470b8ddbeab16e2070.pdf)
Build an obstacle for your robot to detect. You can build the **cuboid model** out of LEGO bricks or an obstacle of your choice.
[![Cubiod block](/static/coding/object-detection/ev3-cuboid.jpg)](https://le-www-live-s.legocdn.com/sc/media/lessons/mindstorms-ev3/building-instructions/ev3-cuboid-dc93b2e60bed2981e76b3bac9ea04558.pdf)
### Check
Before you program, check:
* Are all the wires correctly connected from the motors to ports B and C?
* Are the wheels correctly installed?
* Are the wheels rotating freely?
* Are the wires connected from the Ultrasonic Sensor to port 4?
### Program
* Program your robot to detect any obstacles that might appear while the robot is moving forward (or backward).
* Make the robot stop when it detects an object that is less than 20 cm away.
Before you program, think about:
* How will you program the robot to detect obstacles?
* How will you program the robot to stop at obstacles?
* Which programming blocks will you use?
### ~hint
Consider using these blocks in your solution:
```block
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
})
motors.largeBC.steer(0, 50)
pauseUntil(() => true)
let near = sensors.ultrasonic4.distance() < 20
motors.stopAll()
```
### ~
### Sample Solution
1. Start the program when EV3 ``enter`` button is pressed.
2. Turn motors ``B`` and ``C`` on at speed ``50``.
3. Wait until Ultrasonic Sensor detects an obstacle at a distance of less than ``20`` cm.
4. Stops all motors.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
motors.largeBC.steer(0, 50)
pauseUntil(() => sensors.ultrasonic4.distance() < 20)
motors.stopAll()
})
```
### Download and test
Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the ``center`` button on the EV3 Brick to run the program.
## Contemplate
On the road, when a driver sees and object, they slow their car down before coming to a full stop.
Program your EV3 Driving Base to do the same.
If the Ultrasonic Sensor:
* Detects an object less than `10` cm away, make the robot stop.
* Detects an object between `10` and `20` cm away, make the robot slow down.
* Does not detect any object, continue to move at full speed.
### ~hint
Consider using this block in your solution:
```block
if (true) {
}
```
### ~
### Sample Solution
```blocks
loops.forever(function () {
motors.largeBC.steer(0, 50)
if (sensors.ultrasonic4.distance() < 10) {
motors.stopAll()
} else if (sensors.ultrasonic4.distance() < 20) {
motors.largeBC.steer(0, 10)
}
})
```
### Download and test
Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the ``center`` button on the EV3 Brick to run the program.
## Continue
* Get together with other building teams and make a traffic jam by placing all of your robots in a line with varying amounts of space between them.
* Have everyone start their robots at the same time and see what happens.
* Refine your programs so that all of the robots continue driving at the same speed with equal distances between them.
* Click on the JavaScript tab and experiment with changing the values in the code.
* Add a custom image or sounds from the Brick or Music menus.
### Share
* Share what you think “efficiency in programming” means.
* Explore the different solutions other programmers came up with.
* Create a video of your project, especially your final presentation and your robots performance. Explain some important features of your software program.
* Include an image of your program with comments.
* Add a team photograph!
Congratulations! What will you design next?

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@ -1,11 +1,11 @@
# Reverse Beeper Activity 1
```blocks
forever(function () {
loops.forever(function () {
music.playTone(440, sensors.ultrasonic4.distance());
pause(50)
loops.pause(50)
})
motors.largeBC.run(-20);
motors.largeBC.setSpeed(-20);
sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectNear);
motors.largeBC.stop();
motors.stopAllMotors();
```

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@ -1,13 +1,13 @@
# Reverse Beeper Activity 2
```blocks
forever(function () {
loops.forever(function () {
if (motors.largeB.speed() != 0 && sensors.ultrasonic4.distance() < 20) {
music.playTone(440, sensors.ultrasonic4.distance());
pause(50)
loops.pause(50)
}
})
motors.largeBC.run(-20);
motors.largeBC.setSpeed(-20);
sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectNear);
motors.largeBC.stop();
motors.stopAllMotors();
```

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@ -3,17 +3,18 @@
```blocks
let beep = false
beep = true
control.runInParallel(function () {
motors.largeBC.run(-20)
control.runInBackground(function () {
motors.largeB.setSpeed(-20)
motors.largeC.setSpeed(-20)
sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectNear)
motors.largeBC.stop()
motors.stopAllMotors()
beep = false
})
control.runInParallel(function () {
control.runInBackground(function () {
while (beep) {
if (sensors.ultrasonic4.distance() < 20) {
music.playTone(440, sensors.ultrasonic4.distance())
pause(50)
loops.pause(50)
}
}
})

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@ -1,14 +1,14 @@
# Reversing the robot Activity 1
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Bumped, function () {
motors.largeBC.run(50)
sensors.touch1.pauseUntil(ButtonEvent.Pressed)
motors.largeBC.run(0)
pause(1000)
brick.setStatusLight(StatusLight.OrangeFlash)
motors.largeBC.run(-50)
pause(2000)
motors.largeBC.run(0)
brick.buttonEnter.onEvent(ButtonEvent.Click, function () {
motors.largeBC.setSpeed(50)
sensors.touchSensor1.pauseUntil(TouchSensorEvent.Pressed)
motors.largeBC.setSpeed(0)
loops.pause(1000)
brick.setLight(LightsPattern.OrangeFlash)
motors.largeBC.setSpeed(-50)
loops.pause(2000)
motors.largeBC.setSpeed(0)
})
```

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@ -1,15 +1,15 @@
# Reversing the robot Activity 2
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Bumped, function () {
sensors.touch1.pauseUntil(ButtonEvent.Pressed)
motors.largeBC.run(50)
sensors.touch2.pauseUntil(ButtonEvent.Pressed)
motors.largeBC.run(0)
pause(1000)
brick.setStatusLight(StatusLight.OrangeFlash)
motors.largeBC.run(-50)
pause(2000)
motors.largeBC.run(0)
brick.buttonEnter.onEvent(ButtonEvent.Click, function () {
sensors.touchSensor1.pauseUntil(TouchSensorEvent.Pressed)
motors.largeBC.setSpeed(50)
sensors.touchSensor2.pauseUntil(TouchSensorEvent.Pressed)
motors.largeBC.setSpeed(0)
loops.pause(1000)
brick.setLight(LightsPattern.OrangeFlash)
motors.largeBC.setSpeed(-50)
loops.pause(2000)
motors.largeBC.setSpeed(0)
})
```

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@ -1,19 +1,19 @@
# Reversing the robot Activity 3
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Bumped, function () {
brick.buttonEnter.onEvent(ButtonEvent.Click, function () {
brick.showImage(images.eyesSleeping)
sensors.touch1.pauseUntil(ButtonEvent.Pressed)
sensors.touchSensor1.pauseUntil(TouchSensorEvent.Pressed)
brick.showImage(images.eyesNeutral)
motors.largeBC.run(50)
sensors.touch2.pauseUntil(ButtonEvent.Pressed)
motors.largeBC.setSpeed(50)
sensors.touchSensor2.pauseUntil(TouchSensorEvent.Pressed)
brick.showImage(images.eyesTiredMiddle)
motors.largeBC.run(0)
pause(1000)
brick.setStatusLight(StatusLight.OrangeFlash)
motors.largeBC.setSpeed(0)
loops.pause(1000)
brick.setLight(LightsPattern.OrangeFlash)
brick.showImage(images.eyesDizzy)
motors.largeBC.run(-50)
pause(2000)
motors.largeBC.run(0)
motors.largeBC.setSpeed(-50)
loops.pause(2000)
motors.largeBC.setSpeed(0)
})
```

View File

@ -2,30 +2,34 @@
```blocks
let drive: number[] = []
brick.buttonLeft.onEvent(ButtonEvent.Bumped, function () {
brick.buttonLeft.onEvent(ButtonEvent.Click, function () {
drive.push(1)
})
brick.buttonRight.onEvent(ButtonEvent.Bumped, function () {
brick.buttonRight.onEvent(ButtonEvent.Click, function () {
drive.push(3)
})
brick.buttonUp.onEvent(ButtonEvent.Bumped, function () {
brick.buttonUp.onEvent(ButtonEvent.Click, function () {
drive.push(4)
})
brick.buttonDown.onEvent(ButtonEvent.Bumped, function () {
brick.buttonDown.onEvent(ButtonEvent.Click, function () {
drive.push(5)
})
pauseUntil(() => drive.length >= 5)
pause(1000)
loops.pause(1000)
music.playSoundEffectUntilDone(sounds.communicationGo)
for (let d of drive) {
if (d == 1) {
motors.largeC.run(50, 360, MoveUnit.Degrees)
motors.largeC.setSpeedFor(50, 360, MoveUnit.Degrees)
motors.largeC.pauseUntilReady()
} else if (d == 3) {
motors.largeB.run(50, 360, MoveUnit.Degrees)
motors.largeB.setSpeedFor(50, 360, MoveUnit.Degrees)
motors.largeB.pauseUntilReady()
} else if (d == 4) {
motors.largeBC.run(50, 360, MoveUnit.Degrees)
motors.largeBC.setSpeedFor(50, 360, MoveUnit.Degrees)
motors.largeBC.pauseUntilReady()
} else {
motors.largeBC.run(-50, 360, MoveUnit.Degrees)
motors.largeBC.setSpeedFor(-50, 360, MoveUnit.Degrees)
motors.largeBC.pauseUntilReady()
}
}
music.playSoundEffectUntilDone(sounds.communicationGameOver)

View File

@ -2,34 +2,38 @@
```blocks
let drive: number[] = []
brick.buttonLeft.onEvent(ButtonEvent.Bumped, function () {
brick.buttonLeft.onEvent(ButtonEvent.Click, function () {
drive.push(1)
music.playSoundEffectUntilDone(sounds.systemClick)
})
brick.buttonRight.onEvent(ButtonEvent.Bumped, function () {
brick.buttonRight.onEvent(ButtonEvent.Click, function () {
drive.push(3)
music.playSoundEffectUntilDone(sounds.systemClick)
})
brick.buttonUp.onEvent(ButtonEvent.Bumped, function () {
brick.buttonUp.onEvent(ButtonEvent.Click, function () {
drive.push(4)
music.playSoundEffectUntilDone(sounds.systemClick)
})
brick.buttonDown.onEvent(ButtonEvent.Bumped, function () {
brick.buttonDown.onEvent(ButtonEvent.Click, function () {
drive.push(5)
music.playSoundEffectUntilDone(sounds.systemClick)
})
brick.buttonEnter.pauseUntil(ButtonEvent.Bumped);
pause(1000)
brick.buttonEnter.pauseUntil(ButtonEvent.Click);
loops.pause(1000)
music.playSoundEffectUntilDone(sounds.communicationGo)
for (let d of drive) {
if (d == 1) {
motors.largeC.run(50, 360, MoveUnit.Degrees)
motors.largeC.setSpeedFor(50, 360, MoveUnit.Degrees)
motors.largeC.pauseUntilReady()
} else if (d == 3) {
motors.largeB.run(50, 360, MoveUnit.Degrees)
motors.largeB.setSpeedFor(50, 360, MoveUnit.Degrees)
motors.largeB.pauseUntilReady()
} else if (d == 4) {
motors.largeBC.run(50, 360, MoveUnit.Degrees)
motors.largeBC.setSpeedFor(50, 360, MoveUnit.Degrees)
motors.largeBC.pauseUntilReady()
} else {
motors.largeBC.run(-50, 360, MoveUnit.Degrees)
motors.largeBC.setSpeedFor(-50, 360, MoveUnit.Degrees)
motors.largeBC.pauseUntilReady()
}
}
music.playSoundEffectUntilDone(sounds.communicationGameOver)

View File

@ -1,12 +1,12 @@
# Three Point Turn Activity 1
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Bumped, function () {
brick.buttonEnter.onEvent(ButtonEvent.Click, function () {
motors.largeBC.tank(75, 30)
pause(1500)
loops.pause(1500)
motors.largeBC.tank(-30, -75)
pause(1000)
loops.pause(1000)
motors.largeBC.tank(50, 50)
pause(3000)
loops.pause(3000)
})
```

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@ -1,14 +1,14 @@
# Three Point Turn Activity 2
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Bumped, function () {
brick.buttonEnter.onEvent(ButtonEvent.Click, function () {
motors.largeBC.tank(75, 30)
pause(1500)
loops.pause(1500)
motors.largeBC.tank(-30, -75)
sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectNear);
motors.largeBC.tank(0, 0)
pause(1000)
loops.pause(1000)
motors.largeBC.tank(50, 50)
pause(3000)
loops.pause(3000)
})
```

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@ -1,15 +1,15 @@
# Three Point Turn Activity 3
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Bumped, function () {
brick.buttonEnter.onEvent(ButtonEvent.Click, function () {
motors.largeBC.tank(75, 30)
pause(1500)
loops.pause(1500)
motors.largeBC.tank(-30, -75)
sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectNear);
motors.largeBC.tank(0, 0)
music.playSoundEffect(sounds.animalsDogBark1)
pause(1000)
loops.pause(1000)
motors.largeBC.tank(50, 50)
pause(3000)
loops.pause(3000)
})
```

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@ -1,9 +1,9 @@
# Traffic Lights Activity 1
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Bumped, function () {
brick.buttonEnter.onEvent(ButtonEvent.Click, function () {
motors.largeBC.tank(20, 20)
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Red)
sensors.color3.pauseForColor(ColorSensorColor.Red)
motors.largeBC.tank(0, 0)
})
```

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@ -1,7 +1,7 @@
# Traffic Lights Activity 3
```blocks
forever(function () {
loops.forever(function () {
if (sensors.color3.light(LightIntensityMode.Reflected) < 15) {
motors.largeBC.tank(30, 12)
} else {

View File

@ -1,29 +0,0 @@
# Design Engineering Projects
## Projects
```codecard
[
{
"name": "Make It Move Without Wheels",
"description": "Design, build and program a robot that can move itself using no wheels for locomotion.",
"imageUrl": "/static/lessons/make-it-move-without-wheels.png",
"url": "/design-engineering/make-it-move",
"cardType": "side"
},
{
"name": "Make It Smarter and Faster",
"description": "Design, build and program a robotic creature that can sense its environment and respond by moving.",
"imageUrl": "/static/lessons/make-it-smarter-and-faster.png",
"url": "/design-engineering/make-it-smarter",
"cardType": "side"
},
{
"name": "Make a System that Communicates",
"description": "Design, build and program a robotic system that follows a path and communicates its position at least twice along the way.",
"imageUrl": "/static/lessons/make-a-system-that-communicates.png",
"url": "/design-engineering/make-it-communicate",
"cardType": "side"
}
]
```

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@ -1,151 +0,0 @@
# Make A System That Communicates
## Connect
### Design Brief
Design, build and program a robotic system that follows a path and communicates its position at least twice along the way.
https://www.youtube.com/watch?v=6piMI1JPDQc
* Robotic systems are built from smaller, related subsystems. Look at the automobile system shown in the video. What subsystems can you see?
* What kinds of robots follow a path?
* What kind of system do you want to make?
### Brainstorm
Discuss different solutions to the design brief.
Think about:
* What kind of motorized mechanism can be used to control the movements of a robot?
* How can the robot sense where it is along the path?
* How can the robot communicate its position?
![EV3 + LEGO Bricks](/static/lessons/make-it-communicate/ev3-plus-parts.jpg)
## Construct
### Build
You can start by tinkering with the LEGO elements in the picture and then build on.
More building ideas:
[![EV3 Frames](/static/lessons/make-it-communicate/ev3-frames.jpg)](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/ev3%20frames-5054ee378e624fb4cb31158d2fc8e5cf.pdf)
[![Tracks](/static/lessons/make-it-communicate/ev3-tracks.jpg)](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/tracks-32d7554813af3f25cf5012d54a4bad2b.pdf)
[![Color Sensor 2](/static/lessons/make-it-communicate/ev3-color-sensor2.jpg)](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/color%20sensor_v2-e7fd54b6fa3cdfe36f414c1d2510f9cb.pdf)
Build a path for your robot to follow. You can use electrical tape on a floor, or marker on paper. You can use objects as milestones to indicate a path that can be detected by either the Touch Sensor, Color Sensor, or Ultrasonic Sensor.
### Program
Before you program, think about:
* How will you program the robot to follow a path?
* How will you program the robot to communicate its position?
* Which programming blocks will you use?
### ~hint
Explore the different Motor and Sensor blocks in the programming menu.
### ~
### Sample Solution
[![Video: EV3 Track Rover](/static/lessons/make-it-communicate/ev3-track-rover.jpg)](https://legoeducation.23video.com/v.ihtml/player.html?token=79c99735f906403a4dd7f2909935983d&source=embed&photo%5fid=19857954)
The Track Rover follows a path using the color sensor. It identifies two locations by color.
Track Rover solution combines these building ideas:
* EV3 frames
* Tracks
* Color sensor 2
Two copies of the tracks are built: one for the right side and a mirror image for the left side.
[![Track rover assembled](/static/lessons/make-it-communicate/ev3-track-rover2.jpg)](https://le-www-live-s.legocdn.com/sc/media/lessons/mindstorms-ev3/ev3-dep/building%20instructions/track-rover-bi-6aadb1b053df0c58a0dea108b5ce0eea.pdf)
### Sample Program Solution
This program works with the Track Rover. If you create a different robot, adjust the program to fit your solution.
Program summary:
* If the Color Sensor sees black, Motor B runs at -50 power and Motor C turns off.
* If the Color Sensor sees white, Motor B turns off and Motor C runs at -50 power.
* If the Color Sensor sees green, all motors stop and the green sound plays.
* The robot waits one second, then motors move forward.
* If the Color Sensor sees red, all motors stop, and the red sound plays.
* The robot waits one second, then motors move forward.
* Loops unlimited.
```blocks
forever(function () {
if (sensors.color3.color() == ColorSensorColor.Black) {
motors.largeB.run(-50)
motors.largeC.run(0)
} else if (sensors.color3.color() == ColorSensorColor.White) {
motors.largeC.run(-50)
motors.largeB.run(0)
} else if (sensors.color3.color() == ColorSensorColor.Green) {
motors.stopAll()
music.playSoundEffectUntilDone(sounds.colorsGreen)
motors.largeBC.run(-50)
} else if (sensors.color3.color() == ColorSensorColor.Red) {
motors.stopAll()
music.playSoundEffectUntilDone(sounds.colorsRed)
motors.largeBC.run(-50)
}
})
```
### Download and test
Click Download and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
## Contemplate
### Test and Analyze
As you work on your solution:
1. Describe one part of your design that worked especially well.
2. Describe one design change that you had to make.
3. What will you try next?
### Review and Revise
Take a moment to reflect on your robot solution.
Think about:
* Can the robots movement be more accurate?
* What are some ways that others have solved the problem?
Describe two ways you could improve your robot.
## Continue
### Personalize your project
* Add/remove LEGO elements to improve the way your robot moves.
* Click on the JavaScript tab and experiment with changing the values in the code.
* Add a custom image or sounds by adding blocks from the Brick or Music menus.
## Communicate
Here are some ideas:
* Create a video of your project, especially your final presentation and your robots performance.
* Explain some important features of your software program.
* Produce a building guide for your model by taking a series of photographs as you deconstruct it.
* Include an image of your program with comments.
* Add a team photograph!
Congratulations! What will you design next?

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@ -1,97 +0,0 @@
# Make It Move Without Wheels
## Connect
### Design Brief
Design, build and program a robot that can move itself using no wheels for locomotion.
![Make it move banner](/static/lessons/make-it-move/make-it-move-without-wheels.png)
Your robot will:
* Go a distance of at least 30cm
* Use at least one motor
* Use NO wheels for locomotion
### Brainstorm
In nature, creatures use many methods to get around. None of them, however, use wheels to move. Can we copy the method of animal locomotion with our robot? Using motors and legs, make a robot that can move without using any wheels.
## Construct
### Build
Think about a creatures movement for inspiration. Will you make the robot walk, crawl, hop, or wiggle? Your mechanism can be attached or unattached to the EV3 Brick. You can start by tinkering with the LEGO elements in the picture above and then build on.
### Building Hint
If you want some building help you can follow these instructions.
[![Toddle Bot](/static/lessons/make-it-move/toddle-bot.jpg)](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/toddle%20bot-3dcad146d7f5deac4753f93e9dcc0739.pdf)
### Program
Before you program, think about:
* How will you program the robot to move?
* How will you program the robot to stop?
* How will you program the robot to display the distance moved?
Which programming blocks will you use:
* To turn on and turn off the motor or motors?
* To display the distance moved?
### Sample Code
Example code of a robot that moves without wheels using one motor:
* The robot moves with ``large motor D`` rotating at ``-100`` speed
* The robot moves for ``30000`` milliseconds (30 seconds)
* The robot stops
* The robot displays the text ``"30cm"``
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
motors.largeD.run(-100)
loops.pause(30000)
motors.stopAll()
brick.showString("30cm", 1)
})
```
### Download and test
Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
## Contemplate
### Test and Analyze
Think about:
* Is the robot using something other than wheels to move? Trace the movement from the motor axle to the mechanism(s) that drives the robot forward, backward or sideways. Wheels can be used to stabilize the robot but not to drive it.
* Does the robot display the distance moved? Is it accurate? How do you know?
* What is one part of your design that worked well?
* What is a change that you need to make?
* What will you try next?
## Continue
### Personalize your project
* Add/remove LEGO elements to improve the way your robot moves. Will your robot walk, wiggle, hop, or slither? Will it move slower, faster or farther?
* Click on the JavaScript tab and experiment with changing the values in the code.
* Add a custom image or sounds by adding blocks from the Brick or Music menus.
* Does your robot resemble a creature? Add arts and crafts materials to your project.
## Communicate
* Create a video of your project, especially your final presentation and your robots performance.
* Explain some important features of your software program.
* Produce a building guide for your model by taking a series of photographs as you deconstruct it.
* Include an image of your program with comments.
* Add a team photograph!
Congratulations! What will you design next?

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@ -1,172 +0,0 @@
# Make It Smarter and Faster
## Connect
### Design Brief
Design, build and program a robotic creature that can sense its environment and respond by moving.
https://www.youtube.com/watch?v=y9-A_C_08KY
* What do the robots in the video need to be able to sense, plan, and act?
* What senses do humans have and why are they important to us?
* How many human-like senses do you see the robots demonstrating?
### Brainstorm
Discuss different solutions to the design brief.
Think about:
* What kind of creature can it be?
* How can it move?
* What does it need to be aware so that it stays safe, well fed and warm (or cool)?
* Is it looking for food, a safe place to hide or a warm place to soak up the sun?
* Will the creature need to move fast or slow?
* Will it need to turn?
* Will it need to go backward?
![EV3 and bricks](/static/lessons/make-it-smarter/bricks.png)
## Construct
### Build
Think about a creatures movement for inspiration. Your mechanism can be attached or unattached to the EV3 Brick. You can start by tinkering with the LEGO elements in the picture add then build on.
More building ideas:
| | | | | |
|-|-|-|-|-|
|[![EV3 Frames](/static/lessons/make-it-smarter/ev3-parts-frames.jpg)][EV3 Frames] | |[![EV3 Color Sensor 1](/static/lessons/make-it-smarter/ev3-parts-color-sensor-1.jpg)][Color Sensor 1] | |[![EV3 Gyro Sensor](/static/lessons/make-it-smarter/ev3-parts-gyro-sensor.jpg)][Gyro Sensor] |
| [EV3 Frames] | | [Color Sensor 1] | | [Gyro Sensor] |
<br/>
| | | | | |
|-|-|-|-|-|
|[![EV3 Ultrasonic Sensor](/static/lessons/make-it-smarter/ev3-parts-ultrasonic-sensor.jpg)][Ultrasonic Sensor] | | [![EV3 Touch Sensor](/static/lessons/make-it-smarter/ev3-parts-touch-sensor.jpg)][Touch Sensor] | | [![EV3 Gyro Sensor](/static/lessons/make-it-smarter/ev3-parts-jaw.jpg)][Jaw] |
| [Ultrasonic Sensor] | | [Touch Sensor] | | [Jaw] |
<br/>
| | | | | |
|-|-|-|-|-|
| [![EV3 Leg 1](/static/lessons/make-it-smarter/ev3-parts-leg-1.jpg)][Leg 1] | | [![EV3 Leg 2](/static/lessons/make-it-smarter/ev3-parts-leg-2.jpg)][Leg 2] | | [![EV3 Leg 3](/static/lessons/make-it-smarter/ev3-parts-leg-3.jpg)][Leg 3] |
| [Leg 1] | | [Leg 2] | | [Leg 3] |
### Program
Before you program, think about:
* How will you program the robot to sense?
* How will you program the robot to respond?
* Which programming blocks will you use?
### ~hint
**Hint:** Explore the different Sensor blocks in the Sensors Menu
### ~
### Sample Solution
The Insect uses its Ultrasonic Sensor to sense danger and move away from a threat.
https://www.youtube.com/watch?v=PoeYoiXHHE4
<br/>
The Insect solution combines these building ideas:
* [EV3 Frames]
* [Leg 2]
* [Leg 3]
* [Ultrasonic Sensor]
Four copies of Leg 3 are built: one for the front left, one for the back right, and two mirror copies for the front right and back left.
Building Instructions:
[![Insect robot](/static/lessons/make-it-smarter/insect-bot.jpg)](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/insect-94b8a46f0dc5082c9d78ddb734626dc9.pdf)
### Sample Solution
This program checks if the Ultrasonic Sensor senses something near.
The blocks inside the ``||loops:forever||`` loop have these actions:
1. Turn on the ``green`` EV3 Brick Status Light.
2. Wait for Ultrasonic Sensor to detect an object.
3. Turn on Motors ``A`` and ``D`` in opposite directions.
4. Wait for one quarter of a second (``1500`` milli seconds).
5. Reverse the direction of Motors ``A`` and ``D``.
6. Wait for one quarter of a second.
7. Stop all motors.
8. Make an insect chirping sound.
9. Loop continuously so that the insect wanders around when the Ultrasonic Sensor is detects something.
```blocks
forever(function () {
brick.setStatusLight(StatusLight.Green)
sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectDetected)
motors.largeAD.tank(50, -50)
pause(1500)
motors.largeAD.tank(-50, 50)
pause(1500)
motors.stopAll()
music.playSoundEffectUntilDone(sounds.animalsInsectChirp)
})
```
### Download and test
Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
## Contemplate
### Test and Analyze
As you work on your solution:
1. Describe one part of your design that worked especially well.
2. Describe one design change that you had to make.
3. What will you try next?
### Review and Revise
Take a moment to reflect on your robot solution.
Think about:
* Does your robot move when the sensor is activated?
* If not, what will you change to make the robots ability to sense and respond more obvious?
* What other behaviors can you add to the robot to make it more realistic?
Describe two ways you could improve your robot.
## Continue
Personalize your project:
* Add/remove LEGO elements to improve the way your robot moves.
* Click on the JavaScript tab and experiment with changing the values in the code.
* Add a custom image or sounds by adding blocks from the Brick or Music menus.
* Does your robot resemble a creature? Maybe add more craft materials to your project.
## Communicate
Here are some ideas:
* Create a video of your project, especially your final presentation and your robots performance. Explain some important features of your software program.
* Produce a building guide for your model by taking a series of photographs as you deconstruct it.
* Include an image of your program with comments.
* Add a team photograph!
Congratulations! What will you design next?
[EV3 Frames]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/ev3%20frames-5054ee378e624fb4cb31158d2fc8e5cf.pdf
[Color Sensor 1]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/color%20sensor_v1-16a7231bdc187cd88a8da120c68f58d5.pdf
[Gyro Sensor]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/gyro%20sensor-6f0fdbd82ae45fe0effa0ebf3f460f3d.pdf
[Ultrasonic Sensor]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/ultrasonic%20sensor-a56156c72e8946ed4c58c5e69f3520d3.pdf
[Touch Sensor]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/touch%20sensor-868fda1b9d6070a0a034fb22456a7fc9.pdf
[Jaw]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/jaw-ee93e8f3243e4d30cd34b0c337c33653.pdf
[Leg 1]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/leg%201-c14624046ea3a95148820ed404f5ac65.pdf
[Leg 2]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/leg%202-8855c35b990205f6b9d7130687a3d4db.pdf
[Leg 3]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/leg%203-575d52ef15fb79f1e4d3350d36607160.pdf

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@ -2,207 +2,6 @@
Here are some fun programs for your @boardname@!
## Maker
```codecard
[
{
"name": "Sound Of Color",
"description": "Play different sounds based on the color",
"url":"/maker/sound-of-color",
"cardType": "example",
"imageUrl": "/static/maker/sound-of-color.png"
},
{
"name": "Security Gadget",
"description": "Raise the alarm when your brick is lifted!",
"url":"/maker/security-gadget",
"cardType": "example",
"imageUrl": "/static/maker/security-gadget.png"
},
{
"name": "Movement Detector",
"description": "Raise the alarm when an movement sneaks in",
"url":"/maker/movement-detector",
"cardType": "example",
"imageUrl": "/static/maker/movement-detector.png"
},
{
"name": "Puppet",
"description": "Build an automated puppet",
"url":"/maker/puppet",
"cardType": "example",
"imageUrl": "/static/maker/puppet.png"
}
]
```
## Three Point Turn
```codecard
[
{
"name": "Three Point Turn 1",
"description": "Activity 1",
"url":"/coding/three-point-turn-1",
"cardType": "example"
}, {
"name": "Three Point Turn 2",
"description": "Activity 2",
"url":"/coding/three-point-turn-2",
"cardType": "example"
}, {
"name": "Three Point Turn 3",
"description": "Activity 3",
"url":"/coding/three-point-turn-3",
"cardType": "example"
}]
```
## Reversing the robot
```codecard
[{
"name": "Reversing the robot 1",
"description": "Activity 1",
"url":"/coding/reversing-the-robot-1",
"cardType": "example"
}, {
"name": "Reversing the robot 2",
"description": "Activity 2",
"url":"/coding/reversing-the-robot-2",
"cardType": "example"
}, {
"name": "Reversing the robot 3",
"description": "Activity 3",
"url":"/coding/reversing-the-robot-3",
"cardType": "example"
}]
```
## Light the way
```codecard
[{
"name": "Light the way 1",
"description": "Activity 1",
"url":"/coding/light-the-way-1",
"cardType": "example"
}, {
"name": "Light the way 2",
"description": "Activity 2",
"url":"/coding/light-the-way-2",
"cardType": "example"
}, {
"name": "Light the way 3",
"description": "Activity 3",
"url":"/coding/light-the-way-3",
"cardType": "example"
}
]
```
## Traffic Lights
```codecard
[{
"name": "Traffic Lights 1",
"description": "Activity 1",
"url":"/coding/traffic-lights-1",
"cardType": "example"
}, {
"name": "Traffic Lights 2",
"description": "Activity 2",
"url":"/coding/traffic-lights-2",
"cardType": "example"
}, {
"name": "Traffic Lights 3",
"description": "Activity 3",
"url":"/coding/traffic-lights-3",
"cardType": "example"
}
]
```
## Reverse Bepper
```codecard
[{
"name": "Reverse Beeper 1",
"description": "Activity 1",
"url":"/coding/reverse-beeper-1",
"cardType": "example"
}, {
"name": "Reverse Beeper 2",
"description": "Activity 2",
"url":"/coding/reverse-beeper-2",
"cardType": "example"
}, {
"name": "Reverse Beeper 3",
"description": "Activity 3",
"url":"/coding/reverse-beeper-3",
"cardType": "example"
}]
```
## Ignition
```codecard
[{
"name": "Ignition 1",
"description": "Activity 1",
"url":"/coding/ingition-1",
"cardType": "example"
}, {
"name": "Ignition 2",
"description": "Activity 2",
"url":"/coding/ignition-2",
"cardType": "example"
}, {
"name": "Ignition 3",
"description": "Activity 3",
"url":"/coding/ignition-3",
"cardType": "example"
}]
```
## Cruise Control
```codecard
[{
"name": "Cruise Control 1",
"description": "Activity 1",
"url":"/coding/cruise-control-1",
"cardType": "example"
}, {
"name": "Cruise Control 2",
"description": "Activity 2",
"url":"/coding/cruise-control-2",
"cardType": "example"
}, {
"name": "Cruise Control 3",
"description": "Activity 3",
"url":"/coding/cruise-control-3",
"cardType": "example"
}]
```
## Roaming
```codecard
[{
"name": "Roaming 1",
"description": "Activity 1",
"url":"/coding/roaming-1",
"cardType": "example"
}, {
"name": "Roaming 2",
"description": "Activity 2",
"url":"/coding/roaming-2",
"cardType": "example"
}]
```
## Fun stuff
```codecard
@ -212,10 +11,5 @@ Here are some fun programs for your @boardname@!
"description": "Keep your brick entertained and happy",
"url":"/examples/happy-unhappy",
"cardType": "example"
}, {
"name": "Distance Measurer",
"description": "Use a motor to measure angle and distance",
"url": "/examples/distance-measurer",
"cardType": "example"
}]
```

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@ -1,178 +0,0 @@
# Gyroboy
Work in progress
```blocks
let motorSpeed1 = 0
let motorSpeed2 = 0
let motorSpeed3 = 0
let motorSpeed = 0
let fallen = false
let motorSpeed0 = 0
let oldControlDrive = 0
let controlDrive = 0
let power = 0
let motorAngle = 0
let gyroAngle = 0
let controlSteering = 0
let state = 0
let motorPosition = 0
let temp = 0
let gyroRate = 0
let timestep = 0
sensors.color1.onColorDetected(ColorSensorColor.Red, function () {
music.playTone(2000, 100)
controlDrive = 0
controlSteering = 0
})
// reads the motor angle and computes the motor speed,
// position
function computeMotors() {
temp = motorAngle
// read angle on both motors
motorAngle = motors.largeD.angle() + motors.largeA.angle()
// and estimate speed as angle difference
motorSpeed0 = motorAngle - temp
// average last 4 speed readings
motorSpeed = (motorSpeed0 + motorSpeed1 + motorSpeed2 + motorSpeed3) / 4 / timestep
// shift all previous recorded speeds by one
motorSpeed3 = motorSpeed2
motorSpeed2 = motorSpeed1
motorSpeed1 = motorSpeed0
// compute position from speed
motorPosition = motorPosition + timestep * motorSpeed
}
// read the gyro rate and computes the angle
function computeGyro() {
gyroRate = sensors.gyro2.rate()
gyroAngle = gyroAngle + timestep * gyroRate
}
function reset() {
state = 0
// sleeping
moods.sleeping.show();
// reset counters
motors.largeA.reset()
motors.largeD.reset()
// motors are unregulated
motors.largeA.setRegulated(false)
motors.largeD.setRegulated(false)
// clear the gyro sensor to remove drift
sensors.gyro2.reset()
// fall detection timer
control.timer2.reset()
// timestep computation timer
control.timer3.reset()
motorAngle = 0
motorPosition = 0
motorSpeed = 0
motorSpeed0 = 0
motorSpeed1 = 0
motorSpeed2 = 0
motorSpeed3 = 0
gyroRate = 0
gyroAngle = 0
fallen = false
power = 0
controlSteering = 0
controlDrive = 0
// awake
moods.awake.show();
gyroAngle = -0.25
state = 1;
}
// compute set point for motor position and required
// motor power
function computePower() {
// apply control and compute desired motor position
motorPosition -= timestep * controlDrive;
// estimate power based on sensor readings and control
// values
power = 0.8 * gyroRate + 15 * gyroAngle + (0.08 * motorSpeed + 0.12 * motorPosition) - 0.01 * controlDrive
// ensure that power stays within -100, 100
if (power > 100) {
power = 100
} else if (power < -100) {
power = -100
}
}
// test if the robot has fallen off
function checkFallen() {
if (Math.abs(power) < 100) {
control.timer2.reset()
}
if (control.timer2.seconds() > 2) {
fallen = true
}
}
// stop all motors and wait for touch button to be
// pressed
function stop() {
motors.stopAll()
state = 0
moods.knockedOut.show();
sensors.touch3.pauseUntil(ButtonEvent.Pressed)
moods.neutral.show();
}
sensors.ultrasonic4.onEvent(UltrasonicSensorEvent.ObjectNear, function () {
moods.dizzy.show()
controlSteering = 0
oldControlDrive = controlDrive
controlDrive = -10
motors.mediumC.run(30, 30, MoveUnit.Degrees);
motors.mediumC.run(-30, 60, MoveUnit.Degrees);
motors.mediumC.run(30, 30, MoveUnit.Degrees);
if (Math.randomRange(-1, 1) >= 1) {
controlSteering = 70
} else {
controlSteering = -70
}
pause(4000)
music.playTone(2000, 100)
controlSteering = 0
controlDrive = oldControlDrive
moods.neutral.show()
})
// compute the elapsed time since the last iteration
function computeTimestep() {
timestep = control.timer3.seconds()
control.timer3.reset()
}
sensors.color1.onColorDetected(ColorSensorColor.Green, function () {
moods.winking.show()
controlDrive = 150
controlSteering = 0
})
sensors.color1.onColorDetected(ColorSensorColor.Blue, function () {
moods.middleRight.show()
controlSteering = 70
})
// apply power to motors
function controlMotors() {
motors.largeA.run(power + controlSteering * 0.1)
motors.largeD.run(power - controlSteering * 0.1)
}
sensors.color1.onColorDetected(ColorSensorColor.Yellow, function () {
moods.middleLeft.show()
controlSteering = -70
})
sensors.color1.onColorDetected(ColorSensorColor.White, function () {
moods.sad.show();
controlDrive = -75
})
timestep = 0.014
// main loop
forever(function () {
reset()
while (!fallen) {
control.timer3.pauseUntil(5)
computeTimestep()
computeGyro()
computeMotors()
computePower()
controlMotors()
checkFallen()
}
stop()
})
```

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@ -1,215 +0,0 @@
# Gyroboy LabView
```typescript
let mSum = 0;
let mPos = 0;
let mSpd = 0;
let mD = 0;
let mDP1 = 0;
let mDP2 = 0;
let mDP3 = 0;
let Crdv = 0;
let cLo = 0;
let gAng = 0;
let ok = false;
let pwr = 0;
let Cstr = 0;
let Cdrv = 0;
let gMn = 0;
let gMx = 0;
let gSum = 0;
let gyro = 0;
let gOS = 0;
let gSpd = 0;
let tInt = 0.014;
let lpwr = 0
let rpwr = 0
let tStart = 0
let st = 0
let oldDr = 0
function RST() {
motors.largeA.reset()
motors.largeD.reset()
motors.largeA.setRegulated(false)
motors.largeD.setRegulated(false)
sensors.gyro2.reset()
sensors.gyro2.rate()
control.timer2.reset()
pause(5000)
mSum = 0;
mPos = 0;
mD = 0;
mDP1 = 0;
mDP2 = 0;
mDP3 = 0;
Crdv = 0;
cLo = 0;
gAng = 0;
ok = false;
pwr = 0;
st = 0;
Cstr = 0;
Cdrv = 0;
}
function OS() {
// OSL
do {
gMn = 1000;
gMx = -100;
gSum = 0;
// gChk
for (let i = 0; i < 200; i++) {
gyro = sensors.gyro2.rate()
gSum = gyro;
gMx = Math.max(gMx, gyro)
gMn = Math.min(gMn, gyro)
pause(4);
}
} while (gMx - gMn > 2);
gOS = gSum / 200;
}
function GT() {
if (cLo == 0) {
tInt = 0.014;
control.timer1.reset();
} else {
tInt = control.timer1.seconds() / cLo;
}
cLo++;
}
function GG() {
gyro = sensors.gyro2.rate();
gOS = 0.0005 * gyro + (1 - 0.0005) * gOS
gSpd = gyro - gOS;
gAng = gAng + tInt * gSpd;
}
function GM() {
let temp = mSum
mSum = motors.largeD.angle() + motors.largeA.angle();
mD = mSum - temp;
mPos = mPos + mD;
mSpd = ((mDP1 + mDP2 + mDP3 + mD) / 4) / tInt;
mDP3 = mDP2;
mDP2 = mDP1;
mDP1 = mD;
}
function EQ() {
mPos = mPos - Cdrv * tInt;
pwr = (0.8 * gSpd + 15 * gAng) + (0.08 * mSpd + 0.12 * mPos) - 0.01 * Cdrv
if (pwr > 100) pwr = 100
else if (pwr < -100) pwr = -100
}
function cntrl() {
mPos = mPos - tInt * Cdrv
lpwr = (pwr + Cstr * 0.1)
rpwr = (pwr - Cstr * 0.1)
}
function CHK() {
if (Math.abs(pwr) < 100)
control.timer2.reset();
if (control.timer2.seconds() > 2) {
ok = true;
}
}
// M
forever(function () {
RST();
brick.showImage(images.eyesSleeping)
OS()
gAng = -0.25;
music.playSoundEffect(sounds.movementsSpeedUp)
brick.showImage(images.eyesAwake)
st = 1;
// BALANCE
while (!ok) {
GT();
let t1 = control.timer1.millis()
GG();
GM();
EQ();
cntrl();
motors.largeA.run(lpwr)
motors.largeD.run(rpwr)
CHK()
let t2 = control.timer1.millis();
let p = 5 - (t2 - t1);
pause(Math.max(1, p))
}
motors.stopAll()
st = 0;
brick.setStatusLight(StatusLight.RedPulse);
brick.showImage(images.eyesKnockedOut)
music.playSoundEffect(sounds.movementsSpeedDown)
sensors.touch3.pauseUntil(ButtonEvent.Pressed)
brick.setStatusLight(StatusLight.Off);
})
// BHV
forever(function () {
switch (st) {
case 0:
Cdrv = 0;
Cstr = 0;
break;
case 1:
Cdrv = 40;
pause(4000);
Cdrv = 0;
music.playTone(1000, 100);
st = 2;
break;
case 2:
switch (sensors.color1.color()) {
case ColorSensorColor.Red:
music.playTone(2000, 100);
Cdrv = 0;
Cstr = 0;
break;
case ColorSensorColor.Green:
music.playTone(2000, 100);
Cdrv = 150;
Cstr = 0;
break;
case ColorSensorColor.Blue:
music.playTone(2000, 100);
Cstr = 70;
break;
case ColorSensorColor.Yellow:
music.playTone(2000, 100);
Cstr = -70;
break;
case ColorSensorColor.White:
music.playTone(2000, 100);
Cdrv = -75;
break;
}
if (sensors.ultrasonic4.distance() < 25) {
Cstr = 0;
oldDr = Cdrv;
Cdrv = -10;
motors.mediumC.run(30, 30, MoveUnit.Degrees);
motors.mediumC.run(-30, 60, MoveUnit.Degrees);
motors.mediumC.run(30, 30, MoveUnit.Degrees);
if (Math.randomRange(-1, 1) >= 1)
Cstr = 70;
else
Cstr = -70;
pause(4000);
music.playTone(2000, 100)
Cstr = 0;
Cdrv = oldDr;
}
break;
}
pause(80);
})
```

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@ -1,390 +0,0 @@
# Puppy
```typescript
let P_T = 0;
let ISS = 0;
let F_T = 0;
let P_C = 0;
let F_C = 0;
let DB_S = 0;
let NS = false;
let IBP = 0;
let IAP = 0;
let C = false;
let TC = false;
let OTC = false;
let COL = 0;
let OCOL = 0;
let _C = false;
let GTO = 0;
function DN() {
motors.largeAD.setBrake(true);
motors.largeAD.tank(50, 50, 1, MoveUnit.Seconds);
pause(100);
motors.largeA.clearCounts()
motors.largeD.clearCounts()
}
function MNRH() {
motors.mediumC.setBrake(true)
brick.showImage(images.legoEv3icon)
brick.setStatusLight(StatusLight.OrangePulse)
while (!brick.buttonEnter.wasPressed()) {
if (brick.buttonUp.wasPressed()) {
motors.mediumC.run(-100);
} else if (brick.buttonDown.wasPressed()) {
motors.mediumC.run(100);
} else {
motors.mediumC.stop();
}
}
motors.mediumC.stop();
motors.mediumC.clearCounts();
brick.setStatusLight(StatusLight.Green);
}
function IS(t: number) {
ISS = t;
switch (t) {
case 0:
brick.showImage(images.eyesNeutral);
break;
case 1:
brick.showImage(images.eyesSleeping);
break;
case 2:
brick.showImage(images.eyesTear);
// draw rect...
break;
case 3:
brick.showImage(images.eyesHurt);
break;
case 4:
brick.showImage(images.eyesAngry);
break;
case 5:
brick.showImage(images.eyesTiredMiddle);
break;
case 6:
brick.showImage(images.eyesTiredRight);
break;
case 7:
brick.showImage(images.eyesTiredLeft);
break;
case 8:
brick.showImage(images.eyesLove);
break;
}
}
function UP() {
if (motors.largeA.angle() > -50) {
control.runInParallel(function () {
motors.largeD.clearCounts()
motors.largeD.run(-35);
pauseUntil(() => motors.largeD.angle() < -25);
motors.largeD.stop();
motors.largeD.setRegulated(false)
motors.largeD.run(-15)
pauseUntil(() => motors.largeD.angle() < -65);
motors.largeD.stop();
})
motors.largeA.clearCounts()
motors.largeA.run(-35);
pauseUntil(() => motors.largeA.angle() < -25);
motors.largeA.stop();
motors.largeA.setRegulated(false)
motors.largeA.run(-15)
pauseUntil(() => motors.largeA.angle() < -65);
motors.largeA.stop();
pause(500);
}
}
function RST() {
P_T = Math.randomRange(3, 6);
F_T = Math.randomRange(2, 4);
P_C = 1;
F_C = 1;
control.timer1.reset();
control.timer2.reset();
control.timer3.reset();
CS(0);
}
function CS(db: number) {
if (DB_S != db) {
DB_S = db;
NS = true;
}
}
function MON() {
if (control.timer2.seconds() > 10) {
control.timer2.reset();
P_C--;
if (P_C < 0) {
P_C = 0;
}
}
if (control.timer1.seconds() > 20) {
control.timer1.reset()
F_C--;
if (F_C < 0) {
F_C = 0;
}
}
if (control.timer3.seconds() > 30) {
control.timer3.reset();
CS(1);
}
}
function UIS() {
if (control.timer5.seconds() > IBP) {
control.timer5.reset();
if (ISS == 1) {
ISS = 6;
IBP = Math.randomRange(1, 5);
} else {
ISS = 1;
IBP = 0.25;
}
IS(ISS);
}
if (control.timer6.seconds() > IAP) {
if (ISS != 1) {
control.timer6.reset();
IAP = Math.randomRange(1, 10)
if (ISS != 7) {
ISS = 7
} else {
ISS = 6;
}
IS(ISS);
}
}
}
function UPDB() {
if ((P_T == P_C) && (F_T == F_C)) {
CS(6);
}
if ((P_T > P_C) && (F_T < F_C)) {
CS(3);
}
if ((P_T < P_C) && (F_T > F_C)) {
CS(5);
}
if ((P_C == 0) && (F_C > 0)) {
CS(2)
}
if (F_C == 0) {
CS(4)
}
}
function PTC() {
C = false;
OTC = TC;
TC = sensors.touch1.isPressed()
if (TC != OTC && TC) {
P_C++;
control.timer3.reset();
if (DB_S != 4) {
IS(2);
music.playSoundEffect(sounds.animalsDogSniff);
C = true;
}
}
return C;
}
function FDC() {
OCOL = COL;
COL = sensors.color4.color();
_C = false;
if ((COL != 0) && (OCOL != COL)) {
F_C++;
_C = true;
control.timer3.reset();
IS(2);
music.playSoundEffect(sounds.expressionsCrunching)
}
return _C;
}
function IDL() {
if (NS) {
NS = false;
UP();
}
UIS();
UPDB();
PTC();
FDC();
}
function MHT(Pos: number) {
let _R = Pos - motors.mediumC.angle();
if (_R >= 0) {
motors.mediumC.run(100, _R, MoveUnit.Degrees);
} else {
motors.mediumC.run(-100, Math.abs(_R), MoveUnit.Degrees);
}
}
function SLP() {
if (NS) {
NS = false;
IS(5)
DN()
MHT(3000)
IS(1)
music.playSoundEffect(sounds.expressionsSnoring)
}
if (sensors.touch1.isPressed() || brick.buttonEnter.isPressed()) {
music.stopAllSounds();
control.timer3.reset();
CS(7);
}
}
function PLF() {
if (NS) {
NS = false
IS(0)
UP()
music.playSoundEffect(sounds.animalsDogBark2)
control.timer4.reset()
GTO = Math.randomRange(4, 8);
}
if(PTC()) {
CS(0);
}
if (control.timer4.seconds() > GTO) {
music.playSoundEffect(sounds.animalsDogBark2)
control.timer4.reset();
GTO = Math.randomRange(4, 8);
}
}
function NGR() {
NS = false
IS(4)
music.playSoundEffect(sounds.animalsDogGrowl);
UP();
pause(1500);
music.stopAllSounds()
music.playSoundEffect(sounds.animalsDogBark1)
P_C--;
CS(0);
}
function HNG() {
if (NS) {
NS = false;
IS(3)
DN();
music.playSoundEffect(sounds.animalsDogWhine);
}
if(FDC()) {
CS(0)
}
if (PTC()) {
CS(3);
}
}
function PPP() {
NS = false;
IS(2);
UP();
pause(100)
motors.largeA.run(-30, 70, MoveUnit.Degrees);
pause(800);
music.playSoundEffect(sounds.mechanicalHorn1);
pause(1000);
for(let i = 0; i < 3; ++i) {
motors.largeA.run(-30, 20, MoveUnit.Degrees);
motors.largeA.run(30, 20, MoveUnit.Degrees);
}
motors.largeA.run(30, 70, MoveUnit.Degrees);
F_C = 1;
CS(0);
}
function HPY() {
IS(8)
MHT(0);
motors.largeAD.run(10, 0.8, MoveUnit.Seconds);
for(let i = 0; i < 3; ++i) {
music.playSoundEffect(sounds.animalsDogBark1);
motors.largeAD.run(-100, 0.2, MoveUnit.Seconds);
pause(300)
motors.largeAD.run(10, 0.3, MoveUnit.Seconds)
}
pause(500);
music.stopAllSounds();
DN();
RST();
}
function STL() {
UP();
motors.largeAD.run(-20, 60, MoveUnit.Degrees);
music.playSoundEffect(sounds.animalsDogWhine);
motors.largeAD.run(20, 60, MoveUnit.Degrees);
}
function WKU() {
let stateC = false;
IS(5);
music.playSoundEffect(sounds.animalsDogWhine)
MHT(0)
DN()
STL()
pause(1000);
UP()
CS(0;)
}
DN();
MNRH();
// compare button state???
IS(1);
UP();
RST();
forever(function () {
MON();
switch (DB_S) {
case 0:
IDL();
break;
case 1:
SLP();
break;
case 2:
PLF();
break;
case 3:
NGR();
break;
case 4:
HNG();
break;
case 5:
PPP();
break;
case 6:
HPY();
break;
case 7:
WKU();
break;
}
})
```

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@ -1,51 +0,0 @@
# Robot Arm
```typescript
function INI() {
motors.largeB.setBrake(true)
motors.largeC.setBrake(true)
motors.mediumA.setBrake(true)
motors.largeB.run(-50)
pauseUntil(() => sensors.color3.light(LightIntensityMode.Reflected) > 25);
motors.largeB.stop();
motors.mediumA.run(30, 1, MoveUnit.Seconds);
motors.mediumA.run(-50, 90, MoveUnit.Degrees);
motors.largeC.run(50)
sensors.touch1.pauseUntil(ButtonEvent.Pressed);
motors.largeC.run(-50, 0.86, MoveUnit.Rotations);
}
INI()
let down = false;
forever(function () {
brick.showImage(images.informationQuestionMark)
brick.setStatusLight(StatusLight.OrangePulse);
pauseUntil(() => (down = brick.buttonDown.wasPressed()) || brick.buttonUp.wasPressed())
brick.setStatusLight(StatusLight.Off)
music.playSoundEffect(sounds.mechanicalAirRelease)
brick.showImage(images.informationAccept)
if (down) {
brick.showImage(images.informationForward)
motors.largeC.run(65, 0.85, MoveUnit.Rotations);
} else {
brick.showImage(images.informationBackward)
motors.largeC.run(-65, 0.85, MoveUnit.Rotations);
}
motors.largeB.run(20, 275, MoveUnit.Degrees)
motors.mediumA.run(30, 1, MoveUnit.Seconds)
motors.largeB.run(-55)
pauseUntil(() => sensors.color3.light(LightIntensityMode.Reflected) > 25);
motors.largeB.stop();
if (down) {
motors.largeC.run(-65, 0.86, MoveUnit.Rotations);
} else {
motors.largeC.run(65, 0.85, MoveUnit.Rotations);
}
motors.largeB.run(20, 275, MoveUnit.Degrees);
motors.mediumA.run(-30, 90, MoveUnit.Degrees);
motors.largeB.run(-55)
pauseUntil(() => sensors.color3.light(LightIntensityMode.Reflected) > 25);
motors.largeB.stop()
})
```

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@ -1,51 +0,0 @@
# Crane LabView
```blocks
function INI() {
motors.largeB.setBrake(true)
motors.largeC.setBrake(true)
motors.mediumA.setBrake(true)
motors.largeB.run(-50)
pauseUntil(() => sensors.color3.light(LightIntensityMode.Reflected) > 25);
motors.largeB.stop();
motors.mediumA.run(30, 1, MoveUnit.Seconds);
motors.mediumA.run(-50, 90, MoveUnit.Degrees);
motors.largeC.run(50)
sensors.touch1.pauseUntil(ButtonEvent.Pressed);
motors.largeC.run(-50, 0.86, MoveUnit.Rotations);
}
INI()
let down = false;
forever(function () {
brick.showImage(images.informationQuestionMark)
brick.setStatusLight(StatusLight.OrangePulse);
pauseUntil(() => (down = brick.buttonDown.wasPressed()) || brick.buttonUp.wasPressed())
brick.setStatusLight(StatusLight.Off)
music.playSoundEffect(sounds.mechanicalAirRelease)
brick.showImage(images.informationAccept)
if (down) {
brick.showImage(images.informationForward)
motors.largeC.run(65, 0.85, MoveUnit.Rotations);
} else {
brick.showImage(images.informationBackward)
motors.largeC.run(-65, 0.85, MoveUnit.Rotations);
}
motors.largeB.run(20, 275, MoveUnit.Degrees)
motors.mediumA.run(30, 1, MoveUnit.Seconds)
motors.largeB.run(-55)
pauseUntil(() => sensors.color3.light(LightIntensityMode.Reflected) > 25);
motors.largeB.stop();
if (down) {
motors.largeC.run(-65, 0.86, MoveUnit.Rotations);
} else {
motors.largeC.run(65, 0.85, MoveUnit.Rotations);
}
motors.largeB.run(20, 275, MoveUnit.Degrees);
motors.mediumA.run(-30, 90, MoveUnit.Degrees);
motors.largeB.run(-55)
pauseUntil(() => sensors.color3.light(LightIntensityMode.Reflected) > 25);
motors.largeB.stop()
})
```

View File

@ -1,34 +0,0 @@
# Distance Measurer
```blocks
let distance = 0
let angle = 0
let measuring = false
let radius = 0
// Start and stop measuring with the enter button
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
if (measuring) {
// turn off the measuring
measuring = false
brick.setStatusLight(StatusLight.Off)
} else {
// turn on the measuring clear the counters so that
// the motor tracks the angle
measuring = true
motors.largeB.clearCounts()
brick.setStatusLight(StatusLight.GreenPulse)
}
})
radius = 2.5
brick.showString("Press ENTER to measure", 4)
forever(function () {
if (measuring) {
angle = motors.largeB.angle()
distance = angle / 180 * Math.PI * radius
brick.clearScreen()
brick.showValue("angle", angle, 2)
brick.showValue("distance", distance, 3)
}
pause(100)
})
```

View File

@ -1,215 +0,0 @@
# Gyro Boy LabView
```blocks
let mSum = 0;
let mPos = 0;
let mSpd = 0;
let mD = 0;
let mDP1 = 0;
let mDP2 = 0;
let mDP3 = 0;
let Crdv = 0;
let cLo = 0;
let gAng = 0;
let ok = false;
let pwr = 0;
let Cstr = 0;
let Cdrv = 0;
let gMn = 0;
let gMx = 0;
let gSum = 0;
let gyro = 0;
let gOS = 0;
let gSpd = 0;
let tInt = 0.014;
let lpwr = 0
let rpwr = 0
let tStart = 0
let st = 0
let oldDr = 0
function RST() {
motors.largeA.reset()
motors.largeD.reset()
motors.largeA.setRegulated(false)
motors.largeD.setRegulated(false)
sensors.gyro2.reset()
sensors.gyro2.rate()
control.timer2.reset()
pause(5000)
mSum = 0;
mPos = 0;
mD = 0;
mDP1 = 0;
mDP2 = 0;
mDP3 = 0;
Crdv = 0;
cLo = 0;
gAng = 0;
ok = false;
pwr = 0;
st = 0;
Cstr = 0;
Cdrv = 0;
}
function OS() {
// OSL
do {
gMn = 1000;
gMx = -100;
gSum = 0;
// gChk
for (let i = 0; i < 200; i++) {
gyro = sensors.gyro2.rate()
gSum = gyro;
gMx = Math.max(gMx, gyro)
gMn = Math.min(gMn, gyro)
pause(4);
}
} while (gMx - gMn > 2);
gOS = gSum / 200;
}
function GT() {
if (cLo == 0) {
tInt = 0.014;
control.timer1.reset();
} else {
tInt = control.timer1.seconds() / cLo;
}
cLo++;
}
function GG() {
gyro = sensors.gyro2.rate();
gOS = 0.0005 * gyro + (1 - 0.0005) * gOS
gSpd = gyro - gOS;
gAng = gAng + tInt * gSpd;
}
function GM() {
let temp = mSum
mSum = motors.largeD.angle() + motors.largeA.angle();
mD = mSum - temp;
mPos = mPos + mD;
mSpd = ((mDP1 + mDP2 + mDP3 + mD) / 4) / tInt;
mDP3 = mDP2;
mDP2 = mDP1;
mDP1 = mD;
}
function EQ() {
mPos = mPos - Cdrv * tInt;
pwr = (0.8 * gSpd + 15 * gAng) + (0.095 * mSpd + 0.13 * mPos) - 0.01 * Cdrv
if (pwr > 100) pwr = 100
else if (pwr < -100) pwr = -100
}
function cntrl() {
mPos = mPos - tInt * Cdrv
lpwr = (pwr + Cstr * 0.1)
rpwr = (pwr - Cstr * 0.1)
}
function CHK() {
if (Math.abs(pwr) < 100)
control.timer2.reset();
if (control.timer2.seconds() > 2) {
ok = true;
}
}
// M
forever(function () {
RST();
brick.showImage(images.eyesSleeping)
OS()
gAng = -0.25;
music.playSoundEffect(sounds.movementsSpeedUp)
brick.showImage(images.eyesAwake)
st = 1;
// BALANCE
while (!ok) {
GT();
let t1 = control.timer1.millis()
GG();
GM();
EQ();
cntrl();
motors.largeA.run(lpwr)
motors.largeD.run(rpwr)
CHK()
let t2 = control.timer1.millis();
let p = 5 - (t2 - t1);
pause(Math.max(1, p))
}
motors.stopAll()
st = 0;
brick.setStatusLight(StatusLight.RedPulse);
brick.showImage(images.eyesKnockedOut)
music.playSoundEffect(sounds.movementsSpeedDown)
sensors.touch3.pauseUntil(ButtonEvent.Pressed)
brick.setStatusLight(StatusLight.Off);
})
// BHV
forever(function () {
switch (st) {
case 0:
Cdrv = 0;
Cstr = 0;
break;
case 1:
Cdrv = 40;
pause(4000);
Cdrv = 0;
music.playTone(1000, 100);
st = 2;
break;
case 2:
switch (sensors.color1.color()) {
case ColorSensorColor.Red:
music.playTone(2000, 100);
Cdrv = 0;
Cstr = 0;
break;
case ColorSensorColor.Green:
music.playTone(2000, 100);
Cdrv = 150;
Cstr = 0;
break;
case ColorSensorColor.Blue:
music.playTone(2000, 100);
Cstr = 70;
break;
case ColorSensorColor.Yellow:
music.playTone(2000, 100);
Cstr = -70;
break;
case ColorSensorColor.White:
music.playTone(2000, 100);
Cdrv = -75;
break;
}
if (sensors.ultrasonic4.distance() < 25) {
Cstr = 0;
oldDr = Cdrv;
Cdrv = -10;
motors.mediumC.run(30, 30, MoveUnit.Degrees);
motors.mediumC.run(-30, 60, MoveUnit.Degrees);
motors.mediumC.run(30, 30, MoveUnit.Degrees);
if (Math.randomRange(-1, 1) >= 1)
Cstr = 70;
else
Cstr = -70;
pause(4000);
music.playTone(2000, 100)
Cstr = 0;
Cdrv = oldDr;
}
break;
}
pause(80);
})
```

View File

@ -3,10 +3,10 @@
Use a touch sensor to make the brick happy.
```blocks
sensors.touch1.onEvent(ButtonEvent.Pressed, function () {
sensors.touchSensor1.onEvent(TouchSensorEvent.Pressed, function () {
brick.showImage(images.expressionsBigSmile)
})
sensors.touch1.onEvent(ButtonEvent.Released, function () {
sensors.touchSensor1.onEvent(TouchSensorEvent.Released, function () {
brick.showImage(images.expressionsSick)
})
```

View File

@ -14,7 +14,7 @@ v = sensors.color3.light(LightIntensityMode.Reflected)
min = v
max = v
setpoint = v
while (!(brick.buttonEnter.isPressed())) {
while (!(brick.buttonEnter.wasPressed())) {
brick.clearScreen()
brick.showString("Move robot on terrain", 1)
brick.showString("Press ENTER when done", 2)
@ -26,9 +26,9 @@ while (!(brick.buttonEnter.isPressed())) {
brick.showValue("min", min, 4)
brick.showValue("max", v, 5)
brick.showValue("setpoint", setpoint, 6)
pause(100)
loops.pause(100)
}
forever(function () {
loops.forever(function () {
brick.clearScreen()
v = sensors.color3.light(LightIntensityMode.Reflected)
brick.showValue("light", v, 1)
@ -43,8 +43,8 @@ forever(function () {
motors.largeBC.steer(P + (I + D), 100)
lasterror = error
if (brick.buttonEnter.wasPressed()) {
motors.largeBC.run(0)
brick.buttonDown.pauseUntil(ButtonEvent.Bumped)
motors.largeBC.setSpeed(0)
brick.buttonDown.pauseUntil(ButtonEvent.Click)
}
})
```

View File

@ -1,30 +0,0 @@
# Getting Started
## Projects
```codecard
[
{
"name": "Prepare",
"imageUrl": "/static/lessons/firmware.png",
"description": "To use Microsoft MakeCode with your EV3 Brick, you will need to install the latest LEGO® MINDSTORMS® Education EV3 firmware. Follow these steps to make sure you're up to date and install the latest firmware if you need to.",
"label": "New? Start Here!",
"labelClass": "red ribbon large",
"url": "https://makecode.mindstorms.com/troubleshoot"
},
{
"name": "Try",
"imageUrl": "/static/lessons/try.png",
"description": "Get a quick introduction to programming.",
"url": "/getting-started/try",
"cardType": "side"
},
{
"name": "Use",
"imageUrl": "/static/lessons/use.png",
"description": "Build a robot and drive into the world of robotics!",
"url": "/getting-started/use",
"cardType": "side"
}
]
```

View File

@ -1,194 +0,0 @@
# Try
## Introduction @unplugged
Get a quick introduction to programming with EV3.
![Display on EV3 Brick with Music Notes](/static/getting-started/01_EyesOn_Intro.png)
We are excited to help you get started with @boardname@. In this project we will guide you through connecting your EV3 Brick, creating your first program, controlling a Large Motor, a Touch Sensor and a Color Sensor. These steps can take up to 45 minutes.
## Turn on your EV3 Brick @unplugged
Power on your EV3 Brick by pressing the Center Button.
![Hand pressing power button](/static/getting-started/02_PowerOn.png)
## Connect Your EV3 Brick to Your Device @unplugged
Use the USB cable to connect your EV3 Brick to your device.
![Computer and cable connected to EV3 Brick](/static/getting-started/03_insert-usb-02.png)
## Handle a button press @fullscreen
Drag out a ``||brick:on button||`` block from Buttons section in the ``||brick:Brick||`` Toolbox drawer.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
})
```
## Change of mood @fullscreen
Drag a Brick Screen ``||brick:show mood||`` block inside the ``||brick:on button||`` block.
Change mood to ``neutral``.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
brick.showMood(moods.neutral)
})
```
## Simulate @fullscreen
**Try out your code in the simulator!**
Click the center button on the EV3 Brick in the web page. It should display the mood you selected on the screen. Don't hesitate to use the simulator to try out your code during this tutorial!
![EV3 Brick simulator](/static/getting-started/simulate.png)
## Play some tunes @fullscreen
Drag a Music ``||music:play sound effect||`` block below the ``||brick:show mood||`` block.
Change sound effect to ``communication hello``.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
brick.showMood(moods.neutral)
music.playSoundEffect(sounds.communicationHello)
})
```
## Download to your brick @unplugged
**Download:** Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
### Did It Work?
Verify that the program you just created shows eyes on the Brick Display, and that the EV3 Brick played the sound “Hello!”
![EV3 Brick with eyes on the display](/static/getting-started/05_EyesOn.png)
**Well done!**
## Connect a Large Motor @unplugged
Now you will learn to control the Large Motor.
![EV3 Brick with hands connecting Large Motor to Port D](/static/getting-started/06_PlugInLargeMotor.png)
Connect a Large Motor to **Port D** of your EV3 Brick using any of the connector cables.
## Run a motor @fullscreen
Drag a ``||motors:run large A motor||`` block inside the ``||brick:on button||`` block.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
motors.largeA.run(50)
})
```
## Tune your motor @fullscreen
Change ``large motor A`` to ``large motor D``.
Click on the **(+)** sign and change to ``1`` rotation.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
motors.largeD.run(50, 1, MoveUnit.Rotations)
})
```
## Download @unplugged
**Download:** Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
### Did It Rotate?
Confirm that your motor has turned one rotation at power level 50 before stopping.
Download and run the program as many times as you want in order to verify this, or tinker with different power levels and different rotations.
![Large Motor D w/Rotating “WHRRR,” Hand, EV3 Brick](/static/getting-started/08_WorkingLargeMotor.png)
## Connect a Touch Sensor @unplugged
We will now control the Large Motor using a Touch Sensor.
Keeping the Large Motor connected to **Port D**, connect a Touch Sensor to **Port 1** of your EV3 Brick.
![Hands connecting Touch Sensor to Port 1 on EV3 Brick](/static/getting-started/09_Connect_Touch.png)
## Modify Your Program @fullscreen
* Add a ``||sensors:pause until touch 1 pressed||`` Sensor block on top of the ``||motors:run large motor D||`` block.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
sensors.touch1.pauseUntil(ButtonEvent.Pressed)
motors.largeD.run(50, 1, MoveUnit.Rotations)
})
```
## Download @unplugged
**Download:** Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
### Press the Touch Sensor
Confirm that the Large Motor has turned one rotation AFTER you press the Touch Sensor.
Download and run the program as many times as you want in order to verify this, or tinker with different Touch Sensor and Large Motor values.
![Hand Touch Sensor Pressed & EV3 Brick & Large Motor](/static/getting-started/11_TouchMotorWorking.png)
## Connect a Color Sensor @unplugged
Now we will try to control the Large Motor using another sensor.
![Hand connecting Color Sensor to Port 4, Large Motor D, EV3 Brick](/static/getting-started/12_ConnectColor.png)
Keeping the Large Motor connected to **Port D**, connect the Color Sensor to **Port 4**.
## Update your code @fullscreen
Using the same program, replace the ``||sensors:pause until touch 1||`` block with a ``||sensors:pause color sensor 3||`` for color block.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Green)
motors.largeD.run(50, 1, MoveUnit.Rotations)
})
```
Don't forget to select the color you want to detect (e.g., green)!
## Download @unplugged
**Download:** Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
### Place a Colored Brick in Front of the Color Sensor
Confirm that the Large Motor has turned one rotation AFTER the Color Sensor has detected the colored brick.
Download and run the program as many times as you want in order to verify this, or tinker with different Color Sensor and Large Motor values.
![IMG: Colored bricks in front of Color Sensor, hands, EV3 Brick](/static/getting-started/14_ColorSensorWorking.png)
## JavaScript @fullscreen
Click on the **JavaScript** tab and change the color the Color Sensor detects to Black, Blue, Green, Yellow, Red, White, or Brown. Use Title Case for the color names.
```typescript
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Blue)
motors.largeD.run(50, 1, MoveUnit.Rotations)
})
```
## Well Done! @unplugged
You have now learned how to control some of the inputs and outputs of the EV3.

View File

@ -1,165 +0,0 @@
# Try
Get a quick introduction to programming with EV3.
![Display on EV3 Brick with Music Notes](/static/getting-started/01_EyesOn_Intro.png)
We are excited to help you get started with @boardname@. In this project we will guide you through connecting your EV3 Brick, creating your first program, controlling a Large Motor, a Touch Sensor and a Color Sensor. These steps can take up to 45 minutes.
## Turn on your EV3 Brick
Power on your EV3 Brick by pressing the Center Button.
![Hand pressing power button](/static/getting-started/02_PowerOn.png)
## Connect Your EV3 Brick to Your Device
Use the USB cable to connect your EV3 Brick to your device.
![Computer and cable connected to EV3 Brick](/static/getting-started/03_insert-usb-02.png)
## Create and Run your First Program
**Code it:** Create the program shown here.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
brick.showMood(moods.neutral)
music.playSoundEffect(sounds.communicationHello)
})
```
* Drag out a ``||brick:on button||`` block from Buttons section in the ``||brick:Brick||`` Toolbox drawer.
* Drag a Brick Screen ``||brick:show mood||`` block inside the ``||brick:on button||`` block.
* Change mood to ``neutral``.
```block
brick.showMood(moods.neutral)
```
* Drag a Music ``||music:play sound effect||`` block below the ``||brick:show mood||`` block.
* Change sound effect to ``communication hello``.
```block
music.playSoundEffect(sounds.communicationHello)
```
**Download:** Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
## Did It Work?
![EV3 Brick with eyes on the display](/static/getting-started/05_EyesOn.png)
Verify that the program you just created shows eyes on the Brick Display, and that the EV3 Brick played the sound “Hello!”
**Well done!**
## Connect a Large Motor
Now you will learn to control the Large Motor.
![EV3 Brick with hands connecting Large Motor to Port D](/static/getting-started/06_PlugInLargeMotor.png)
Connect a Large Motor to **Port D** of your EV3 Brick using any of the connector cables.
## Create and Run This Program
**Code it:** Create the program shown here.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
motors.largeD.run(50, 1, MoveUnit.Rotations)
})
```
* Start a new program.
* Drag a ``||motors:run large A motor||`` block inside the ``||brick:on button||`` block.
* Change ``large motor A`` to ``large motor D``.
* Click on the **(+)** sign.
* Change to ``1`` rotation.
**Download:** Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
## Did It Rotate?
Confirm that your motor has turned one rotation at power level 50 before stopping.
![Large Motor D w/Rotating “WHRRR,” Hand, EV3 Brick](/static/getting-started/08_WorkingLargeMotor.png)
Download and run the program as many times as you want in order to verify this, or tinker with different power levels and different rotations.
## Connect a Touch Sensor
We will now control the Large Motor using a Touch Sensor.
![Hands connecting Touch Sensor to Port 1 on EV3 Brick](/static/getting-started/09_Connect_Touch.png)
Keeping the Large Motor connected to **Port D**, connect a Touch Sensor to **Port 1** of your EV3 Brick.
## Modify Your Program
**Code it:** Add code to the program for the Touch Sensor.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
sensors.touch1.pauseUntil(ButtonEvent.Pressed)
motors.largeD.run(50, 1, MoveUnit.Rotations)
})
```
* Add a ``||sensors:pause until touch 1 pressed||`` Sensor block on top of the ``||motors:run large motor D||`` block.
```block
sensors.touch1.pauseUntil(ButtonEvent.Pressed)
```
**Download:** Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
## Press the Touch Sensor
Confirm that the Large Motor has turned one rotation AFTER you press the Touch Sensor.
![Hand Touch Sensor Pressed & EV3 Brick & Large Motor](/static/getting-started/11_TouchMotorWorking.png)
Download and run the program as many times as you want in order to verify this, or tinker with different Touch Sensor and Large Motor values.
## Connect a Color Sensor
Now we will try to control the Large Motor using another sensor.
![Hand connecting Color Sensor to Port 4, Large Motor D, EV3 Brick](/static/getting-started/12_ConnectColor.png)
Keeping the Large Motor connected to **Port D**, connect the Color Sensor to **Port 4**.
**Code it:** Modify Your Program to use the Color Sensor.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
sensors.color4.pauseUntilColorDetected(ColorSensorColor.Green)
motors.largeD.run(50, 1, MoveUnit.Rotations)
})
```
* Using the same program, replace the ``||sensors:pause until touch 1||`` block with a ``||sensors:pause color sensor 4||`` for color block.
```block
sensors.color4.pauseUntilColorDetected(ColorSensorColor.Green)
```
* Select the color you want to detect (e.g., green).
**Download:** Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
## Place a Colored Brick in Front of the Color Sensor
![IMG: Colored bricks in front of Color Sensor, hands, EV3 Brick](/static/getting-started/14_ColorSensorWorking.png)
Confirm that the Large Motor has turned one rotation AFTER the Color Sensor has detected the colored brick.
Download and run the program as many times as you want in order to verify this, or tinker with different Color Sensor and Large Motor values.
Click on the **JavaScript** tab and change the color the Color Sensor detects to Black, Blue, Green, Yellow, Red, White, or Brown. Use Title Case for the color names.
## Well Done!
You have now learned how to control some of the inputs and outputs of the EV3.

View File

@ -1,109 +0,0 @@
# Use
Build a robot and drive into the world of robotics!
![EV3 Driving Base full w/cuboid](/static/getting-started/EV3_GettingStarted_13.jpg)
In this project we will guide you through building a Driving Base Robot and programming it to move straight and turn. You will also build and Object Detector Module, and program it to detect an object. Its a good idea to have done the [Try](/getting-started/try) sequence first.
## Connect
What if your school had a multipurpose robot? How would you use it?
![Apple Picker Robot](/static/getting-started/02_ApplePickerRobot.jpg)
Would you use it to clean the school or plant trees?
## Build Your Driving Base Robot
Build the robot driving base:
[![EV3 Driving Base](/static/lessons/common/ev3-driving-base.jpg)](https://le-www-live-s.legocdn.com/sc/media/lessons/mindstorms-ev3/building-instructions/ev3-rem-driving-base-79bebfc16bd491186ea9c9069842155e.pdf)
## Make It Move
**Code it:** Create a program that makes the Driving Base move forward and stop at the finish line, which is ``1`` meter away.
Start by building this program:
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
motors.largeBC.steer(0, 50, 1, MoveUnit.Rotations)
})
```
* Drag a ``||motors:steer large motors B+C||`` block inside an ``||brick:on button||`` block.
* Click on the **(+)** sign.
* Change to ``1`` rotation.
### ~hint
**Hint:** You will have to modify the number of rotations until you find the number that matches the robot moving forward 1 meter and stopping.
### ~
**Download:** Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
## Make It Turn
**Code it:** Create a new program that turns the Driving Base 180 degrees.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
motors.largeBC.steer(-50, 50, 1, MoveUnit.Rotations)
})
```
### ~hint
**Hint:** You will have to modify the turn ratio and the number of rotations until the robot reaches 180 degrees.
### ~
**Download:** Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
## Add an Ultrasonic Sensor to Your Driving Base
Build and attach an Ultrasonic Sensor to your driving base:
[![EV3 Ultrasonic Sensor Driving Base Building Instructions Main Image](/static/lessons/common/ev3-ultrasonic-sensor-driving-base.jpg)](https://le-www-live-s.legocdn.com/sc/media/lessons/mindstorms-ev3/building-instructions/ev3-ultrasonic-sensor-driving-base-61ffdfa461aee2470b8ddbeab16e2070.pdf)
## Detect an Object
**Code it:** Create a program that moves the Driving Base and makes it stop ``6`` cm from the Cuboid.
Create a new program:
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
motors.largeBC.tank(50, 50)
sensors.ultrasonic4.setThreshold(UltrasonicSensorEvent.ObjectDetected, 6)
sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectDetected);
motors.stopAll()
})
```
* Drag a ``||motors:tank large motors B+C||`` motor block inside the ``||brick:on button||`` block.
* Drag the Ultrasonic Sensor threshold ``||sensors:set ultrasonic 4||`` block and place it below the motor block.
* Drag a ``|sensors:pause until ultrasonic 4||`` block and place it under the threshold block.
* Drag a ``||motors:stop all motors||`` block and place it below the sensor block.
### ~hint
**Hint:** You will have to modify the values of the Ultrasonic Sensor block until the robot reaches the desired position.
### ~
**Download:** Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the center button on the EV3 Brick to run the program.
Click on the **JavaScript** tab. Change and test the number value of the Ultrasonic
Sensor.
```typescript
sensors.ultrasonic4.setThreshold(UltrasonicSensorEvent.ObjectDetected, 10)
```
**Congratulations!**
You are ready to move on to the next steps.
Try a [Design Engineering](/design-engineering), [Coding](/coding), or [Maker](/maker) activity.

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@ -1,3 +1,3 @@
{
"appref": "v0.2.3"
"appref": "v"
}

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@ -1,248 +0,0 @@
# Coding in MakeCode
This guide helps users who are used to work with @boardname@ to get familiar with using blocks in MakeCode.
## Snap together the blocks
Just like with LabView, blocks in the MakeCode editor can be dragged from the cabinet and snapped together
to create a sequence of program instructions.
Take a look a the LabView program below: it **starts**, turns on motor A, waits a second, and finally stops motor A.
![sequence of block](/static/labview/sequencing.png)
The blocks in MakeCode have similar functions and go together in the same way: they snap into the ``||loops:on start||`` block and then connect to each other vertically.
```blocks
motors.largeA.run(50)
pause(1000)
motors.largeA.stop()
```
Any block program can be converted to JavaScript and you can edit it as lines of code too.
```typescript
motors.largeA.run(50)
pause(1000)
motors.largeA.stop()
```
## Download to the EV3
Before you actually run your program on the EV3 Brick, you can first try it in the simulator. The MakeCode editor includes a simulator in the browser for you to test your code. You can make changes to your program and check them out it the simulator to make sure your code works the way want. The similator knows when you modify your code and it restarts automatically to run the new code.
Once you're ready to transfer your program to the EV3 Brick, click the ``|Download|`` button and follow the instructions.
## Single motors
This program controls a large motor on port A in several different ways. It sets just the speed and then sets speed for: an amount of time, angle of movement, and a number of rotations.
![Single motor blocks](/static/labview/motors.png)
```blocks
motors.largeA.run(50);
motors.largeA.run(50, 1000, MoveUnit.MilliSeconds);
motors.largeA.run(50, 360, MoveUnit.Degrees);
motors.largeA.run(50, 1, MoveUnit.Rotations);
motors.largeA.stop();
```
## Steering
The **steering** blocks let you to synchronize two motors at a precise rate. They can also specify the duration, angle, or number of rotations for the motors to turn.
![Steering blocks](/static/labview/steer.png)
```blocks
motors.largeBC.steer(0, 50);
motors.largeBC.steer(0, 50, 1000, MoveUnit.MilliSeconds);
motors.largeBC.steer(0, 50, 360, MoveUnit.Degrees);
motors.largeBC.steer(0, 50, 1, MoveUnit.Rotations);
motors.largeBC.stop();
```
## Tank
The **tank** blocks control the speed of two motors. These are commonly used for a differential drive robot. The blocks can also specify the duration, angle, or number of rotations.
![Tank block](/static/labview/tank.png)
```blocks
motors.largeBC.tank(50, 50);
motors.largeBC.tank(50, 50, 1000, MoveUnit.MilliSeconds);
motors.largeBC.tank(50, 50, 360, MoveUnit.Degrees);
motors.largeBC.tank(50, 50, 1, MoveUnit.Rotations);
motors.largeBC.stop();
```
## Coasting and braking
By default, all motors coast when any command used to move finishes. You can keep them from coasting with the ``||motors:set brake||`` block.
![Brake block](/static/labview/brake.png)
```blocks
motors.largeD.setBrake(true);
motors.largeD.run(50, 1, MoveUnit.Rotations)
```
## Inverting and regulating motors
If you wan to change the direction that a motor turns, use the ``||motors:set inverted||`` block.
![Brake block](/static/labview/invertmotor.png)
```blocks
motors.largeA.setInverted(true);
```
By default, the speed of motors is regulated. This means that if your robot goes up a hill,
the regulator will adjust the power to match the desired speed. You can disable this feature
using ``||motors:set regulated||``.
![Brake block](/static/labview/unregulatedmotor.png)
```blocks
motors.largeA.setRegulated(false);
```
## Brick
The **Brick** category has a number of blocks to display graphics on the brick screen.
![brick image](/static/labview/brickimage.png)
```blocks
brick.clearScreen()
brick.showImage(images.expressionsWink)
```
![brick status light](/static/labview/brickstatuslight.png)
```blocks
brick.setStatusLight(StatusLight.Off);
brick.setStatusLight(StatusLight.Red);
brick.setStatusLight(StatusLight.OrangePulse);
```
## Waiting (pausing)
It is quite common to have to wait for a task to finish or for a sensor state to change, such as a touch button pressed. The ``||loops:pause||`` and ``||sensors:pause until||`` blocks provide a way for your program to wait for a period of time.
![pause for time](/static/labview/pausefortime.png)
```blocks
motors.largeD.run(50)
pause(1000)
motors.largeD.stop();
```
![pause for touch](/static/labview/pausefortouch.png)
```blocks
motors.largeD.run(50)
sensors.touch1.pauseUntil(ButtonEvent.Pressed)
motors.largeD.stop();
```
![pause for distance](/static/labview/pausefordistance.png)
```blocks
motors.largeD.run(50)
sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectNear)
motors.largeD.stop();
```
You can also use the ``||loops:pause until||`` block to wait on any [boolean](/types/boolean) expression. As your program runs, it waits until the condition (expression) inside becomes true.
```blocks
motors.largeD.run(50)
pauseUntil(() => sensors.touch1.isPressed())
motors.largeD.stop()
```
## Loops
![Single loop](/static/labview/loopinfinite.png)
```blocks
forever(() => {
motors.largeD.run(50, 1, MoveUnit.Rotations);
motors.largeD.run(-50, 1, MoveUnit.Rotations);
})
```
![While loop](/static/labview/while.png)
```blocks
for(let i = 0; i < 10; i++) {
motors.largeD.run(50, 1, MoveUnit.Rotations);
motors.largeD.run(-50, 1, MoveUnit.Rotations);
}
let k = 0;
while(k < 10) {
motors.largeD.run(50, 1, MoveUnit.Rotations);
motors.largeD.run(-50, 1, MoveUnit.Rotations);
k++;
}
```
## Variables
![Variable block](/static/labview/speedoflightvar.png)
```blocks
let light = 0;
forever(function () {
light = sensors.color3.light(LightIntensityMode.Reflected);
motors.largeD.run(light)
})
```
## Concurrent loops
You can start up multiple ``||loops:forever||`` loops that will run at the same time. Actually, only the code in just one of the loops is really running at any exact moment in time. Each loop, though, gets a turn to run all of its code and this makes them run [_concurrently_](https://en.wikipedia.org/wiki/Concurrent_computing).
![Multiple loops running at the same time](/static/labview/multipleloops.png)
```blocks
forever(() => {
motors.largeD.run(50, 1, MoveUnit.Rotations);
motors.largeD.run(-50, 1, MoveUnit.Rotations);
})
forever(() => {
brick.showImage(images.eyesMiddleRight)
pause(1000)
brick.showImage(images.eyesMiddleLeft)
pause(1000)
})
```
## Conditional
The ``||logic:if||`` block allows you to run different code depending on whether some condition ([boolean](/types/boolean) expression) is `true` or `false`. Also, this is similar to the ``||loops:switch||`` block.
![Brake block](/static/labview/ife.png)
```blocks
forever(function() {
if(sensors.touch1.isPressed()) {
motors.largeD.run(50)
} else {
motors.largeD.stop()
}
})
```
## Random
The ``||math:pick random||`` block returns a random number selected from a range of numbers.
![Brake block](/static/labview/random.png)
```blocks
forever(function () {
motors.largeBC.steer(Math.randomRange(-5, 5), 50)
pause(100)
})
```

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@ -1,27 +0,0 @@
# Lessons
Learning activities for @boardname@ with MakeCode.
## Motors and motion
```codecard
[{
"name": "Make it Move",
"imageUrl":"/static/lessons/make-it-move.jpg",
"url": "/lessons/make-it-move",
"cardType": "project",
"description": "Make a robot that moves itself without wheels."
}, {
"name": "Make it Move TUTORIAL",
"imageUrl":"/static/lessons/make-it-move.jpg",
"url": "/lessons/make-it-move-tutorial",
"cardType": "tutorial",
"description": "Make a robot that moves itself without wheels."
}, {
"name": "Line Detection",
"imageUrl":"/static/lessons/line-detection.jpg",
"url": "/lessons/line-detection",
"cardType": "project",
"description": "Make your robot drive itself by following lines."
}]
```

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@ -1,268 +0,0 @@
# Line Detection
## Objective
Design ways to improve driving safety by helping to prevent drivers from falling asleep and causing an accident.
![Car driving on highway](/static/lessons/line-detection/car-driving.jpg)
## Connect
Make sure that you can answer the following questions:
* Can autonomous cars react to different traffic light signals?
* What can happen if a driver falls asleep while driving?
* How can we detect when a driver is falling asleep?
Think about what you have learned, then document it. Describe the problem in your own words. Creatively record your ideas and findings.
## Construct
Start by constructing this model. Read the building instructions [here](https://le-www-live-s.legocdn.com/sc/media/lessons/mindstorms-ev3/building-instructions/ev3-rem-color-sensor-down-driving-base-d30ed30610c3d6647d56e17bc64cf6e2.pdf) first.
![Color sensor on the driving base](/static/lessons/line-detection/color-sensor-driving.jpg)
## Program
Autonomous cars need to recognize and respond to traffic lights automatically.
First, create a program that will make your robot stop at red lights.
Make sure your robot is only responding to the color red.
Once you have succeeded, program your robot to drive forward again when the light changes from red to green.
There are two coding tasks for this lesson:
1. Create a program that will make your robot stop at red lights.
2. Create a program that drives the robot forward until the Color Sensor sees red. The robot then stops.
## Coding task 1 - Stop at red lights
**Goal:** Create a program that will make your robot stop at red lights.
### Step 1
Create a program that drives the robot forward until the Color Sensor sees red. The robot then stops.
Place a ``||motors:steer large B+C||`` block from ``||motors:Motors||`` under ``||loops:on start||``. Change the speed to 20%.
```blocks
motors.largeBC.steer(0, 20)
```
### Step 2
Place a ``||loops:while||`` loop block under ``||motors:steer large B+C||``.
```blocks
motors.largeBC.steer(0, 20)
while (true) {
}
```
### Step 3
Place a ``||sensors:pause until color detected||`` from ``||sensors:Sensors||`` inside the ``||loops:while||`` loop block. Change the color to red.
```blocks
motors.largeBC.steer(0, 20)
while (true) {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Red)
}
```
### Step 4
Place a ``||motors:stop all motors||`` block under the ``||sensors:pause until color detected||`` block.
Study the program...what do you think the program will do?
**Hint:** The motors will run until the Color Sensor senses the color red, then all motors will stop. The motors will run until the sensor reading in the while block is true.
```blocks
motors.largeBC.steer(0, 20)
while (true) {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Red)
motors.stopAll()
}
```
### Step 5
Click `|Download|` and follow the instructions to get your code onto your EV3 Brick. Press the **center** button on the EV3 Brick to run the program.
## Coding task 2 - Detect light changes
**Goal:** Program your robot to drive forward again when the light changes from red to green.
### Step 1
Place a ``||loops:while||`` loop block under ``||loops:on start||``.
```blocks
while (true) {
}
```
### Step 2
Place a ``||motors:steer large B+C||`` block from ``||motors:Motors||`` inside the ``||loops:while||`` loop block. Change the speed to 20%.
```blocks
while (true) {
motors.largeBC.steer(0, 20)
}
```
### Step 4
Place a ``||loops:while||`` loop block under the ``||motors:steer large B+C||`` block.
```blocks
while (true) {
motors.largeBC.steer(0, 20)
while (true) {
}
}
```
### Step 5
Place a ``||sensors:pause until color detected||`` block from ``||sensors:Sensors||`` inside the ``||loops:while||`` loop block. Change the color to red.
```blocks
while (true) {
motors.largeBC.steer(0, 20)
while (true) {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Red)
}
}
```
### Step 6
Place a ``||motors:stop all motors||`` block under the ``||sensors:pause until color detected||`` block.
```blocks
while (true) {
motors.largeBC.steer(0, 20)
while (true) {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Red)
motors.stopAll()
}
}
```
### Step 7
Place a ``||loops:while||`` loop block under the second ``||loops:while||`` loop block.
```blocks
while (true) {
motors.largeBC.steer(0, 20)
while (true) {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Red)
motors.stopAll()
}
while (true) {
}
}
```
### Step 8
Place a ``||sensors:pause unril color detected||`` block inside the new ``||loops:while||`` loop block. Change the color to red.
What do you think the program will do?
**Hint:** The motors will run until the Color Sensor detects the color red, then it will stop all motors. The motors will also run and not stop when the color sensor detects the color green.
```blocks
while (true) {
motors.largeBC.steer(0, 20)
while (true) {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Red)
motors.stopAll()
}
while (true) {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Red)
}
}
```
### Step 9
Click `|Download|` and follow the instructions to get your code onto your EV3 Brick. Press the **center** button on the EV3 Brick to run the program.
## Contemplate
To simulate what could happen if a driver falls asleep while driving, your robot could sound an alarm signal when it crosses the line. This feature is often available in new cars.
Program your robot to perform this function.
Think about what you have learned, then document it. Describe your pseudocode for this task. Creatively record your ideas, and findings.
### Programming hint
```blocks
motors.largeBC.steer(0, 20)
while (true) {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Yellow)
music.playSoundEffect(sounds.systemGeneralAlert)
}
while (true) {
while (true) {
sensors.color3.pauseUntilLightDetected(LightIntensityMode.Reflected, Light.Bright)
motors.largeB.run(10)
motors.largeC.run(-10)
}
while (true) {
sensors.color3.pauseUntilLightDetected(LightIntensityMode.Reflected, Light.Bright)
motors.largeA.run(-10)
motors.largeA.run(10)
}
}
```
## Continue
Program your robot to drive on “autopilot” along a given route. You will need to create a program that recognizes and responds to a dark line (or white line). You will create a line-following program and your robot will need to travel along the line without losing contact with it.
You will need to constantly debug your program in order to make your robot travel as smoothly as possible along the line.
### Programming hint
```blocks
while (true) {
while (true) {
sensors.color3.pauseUntilLightDetected(LightIntensityMode.Reflected, Light.Bright)
motors.largeB.run(10)
motors.largeC.run(-10)
}
while (true) {
sensors.color3.pauseUntilLightDetected(LightIntensityMode.Reflected, Light.Bright)
motors.largeB.run(-10)
motors.largeC.run(10)
}
}
```
## Share
Consider the following questions:
1. What challenged you?
2. Where there any surprises?
3. How could you improve your program?
4. Could your program have been more streamlined?
5. Have you used too many blocks?
6. Is there a more efficient way of building your program?
7. How could your program be used in real-world scenarios?
Think about what you have learned, then document it. Creatively record and present your ideas, creations, and findings.

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# Make It Move Without Wheels
## Objective @unplugged
Design, build and program a robot that can move itself:
Your robot will:
* Go a distance of at least 30cm
* Use at least one motor
* Use NO wheels for locomotion
![@boardname@ with parts](/static/lessons/make-it-move/locomotion-no-wheels.jpg)
## Construct @unplugged
Build a Walker Bot!
The Walker Bot is one example of many possible solutions for making a robot move without wheels.
The Walker Bot combines an EV3 Frame and two legs that are mirror-images to create left and right legs.
The legs in the Walker Bot are designed to show how to change the rotary motion of a motor to reciprocating motion.
Start by reading [these](https://le-www-live-s.legocdn.com/sc/media/lessons/mindstorms-ev3/ev3-dep/building%20instructions/walker-bot-bi-180fc24f9298e1dd6201099627d43903.pdf) instructions first.
![@boardname@ Walker Bot](/static/lessons/make-it-move/walker-bot.jpg)
## Program 1 @fullscreen
In nature, creatures use many methods to get around. None of them, however, use wheels to move. Can we copy the method of animal locomotion with our robot? Using motors and legs, make the robot move without using any wheels.
Place a ``||motors:tank large B+C||`` block from ``||motors:Motors||`` under ``||loops:on start||``.
Change the speed to `-60%` (for motor B) and `+60%` (for motor C).
Change the rotations to `9`.
The ``||motors:tank large B+C||`` block will run for `9` rotations when the **center** button is pressed on the EV3 Brick. The motors are set for the reverse direction because they are mounted upside down in this model.
```blocks
motors.largeBC.tank(-60, 60, 9, MoveUnit.Rotations)
```
## Program 2 @fullscreen
Place a ``||motors:stop all motors||`` block under ``||motors:tank large B+C||``.
The ``||motors:tank large B+C||`` block will run for `9` rotations when the **center** button is pressed on the EV3 Brick then stop.
```blocks
motors.largeBC.tank(-60, 60, 9, MoveUnit.Rotations)
motors.stopAll()
```
## Program 3 @fullscreen
Place a ``||brick:show string||`` block under ``||motors:stop all motors||``.
Change the `"Hello World"` text to `"30 cm"`.
The ``||motors:tank large B+C||`` will run for `9` rotations when the **center** button is pressed on the EV3 Brick then stop and display "30 cm" on the EV3 Bricks screen.
```blocks
motors.largeBC.tank(-60, 60, 9, MoveUnit.Rotations)
motors.stopAll()
brick.showString("30 cm", 1)
```
## Download @fullscreen
Click `|Download|` and follow the instructions to get your code onto your EV3 Brick. Press the **center** button on the EV3 Brick to run the program.

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# Make It Move Without Wheels
## Objective
Design, build and program a robot that can move itself:
Your robot will:
* Go a distance of at least 30cm
* Use at least one motor
* Use NO wheels for locomotion
![@boardname@ with parts](/static/lessons/make-it-move/locomotion-no-wheels.jpg)
## Construct
Build a Walker Bot!
The Walker Bot is one example of many possible solutions for making a robot move without wheels.
The Walker Bot combines an EV3 Frame and two legs that are mirror-images to create left and right legs.
The legs in the Walker Bot are designed to show how to change the rotary motion of a motor to reciprocating motion.
Start by reading [these](https://le-www-live-s.legocdn.com/sc/media/lessons/mindstorms-ev3/ev3-dep/building%20instructions/walker-bot-bi-180fc24f9298e1dd6201099627d43903.pdf) instructions first.
![@boardname@ Walker Bot](/static/lessons/make-it-move/walker-bot.jpg)
## Program
In nature, creatures use many methods to get around. None of them, however, use wheels to move. Can we copy the method of animal locomotion with our robot? Using motors and legs, make the robot move without using any wheels.
### Step 1
Place a ``||motors:tank large B+C||`` block from ``||motors:Motors||`` under ``||loops:on start||``.
Change the speed to `-60%` (for motor B) and `+60%` (for motor C).
Change the rotations to `9`.
The ``||motors:tank large B+C||`` block will run for `9` rotations when the **center** button is pressed on the EV3 Brick. The motors are set for the reverse direction because they are mounted upside down in this model.
```blocks
motors.largeBC.tank(-60, 60, 9, MoveUnit.Rotations)
```
### Step 2
Place a ``||motors:stop all motors||`` block under ``||motors:tank large B+C||``.
The ``||motors:tank large B+C||`` block will run for `9` rotations when the **center** button is pressed on the EV3 Brick then stop.
```blocks
motors.largeBC.tank(-60, 60, 9, MoveUnit.Rotations)
motors.largeBC.stop()
```
### Step 3
Place a ``||brick:show string||`` block under ``||motors:stop all motors||``.
Change the `"Hello World"` text to `"30 cm"`.
The ``||motors:tank large B+C||`` will run for `9` rotations when the **center** button is pressed on the EV3 Brick then stop and display "30 cm" on the EV3 Bricks screen.
```blocks
motors.largeBC.tank(-60, 60, 9, MoveUnit.Rotations)
motors.largeBC.stop()
brick.showString("30 cm", 1)
```
### Step 4
Click `|Download|` and follow the instructions to get your code onto your EV3 Brick. Press the **center** button on the EV3 Brick to run the program.

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@ -1,24 +1,47 @@
# Maker Activites
These six activities require the LEGO® MINDSTORMS® Education EV3 Core Set (45544). Supporting materials for teachers and middle school students are provided, offering everything teachers and students need to explore their inner makers as they follow the design process to solve open-ended, themed challenges...
* [Download Curriculum Materials](https://education.lego.com/en-us/downloads/mindstorms-ev3)
## Activites
```codecard
[
{
"name": "Make A Sound Machine",
"description": "Make a Sound Machine that can play a rhythm, music or just noise!",
"name": "Sound Machine",
"description": "Create instruments with your EV3 Brick!",
"url":"/maker/sound-machine",
"cardType": "example",
"imageUrl": "/static/lessons/make-a-sound-machine.png",
"cardType": "side"
"imageUrl": "/static/maker/sound-machine.png"
},
{
"name": "Make A Security Gadget",
"description": "Invent a Security Gadget that will protect your belongings by warning you!",
"name": "Sound Of Color",
"description": "Play different sounds based on the color",
"url":"/maker/sound-of-color",
"cardType": "example",
"imageUrl": "/static/maker/sound-of-color.png"
},
{
"name": "Security Gadget",
"description": "Raise the alarm when your brick is lifted!",
"url":"/maker/security-gadget",
"cardType": "example",
"imageUrl": "/static/lessons/make-a-security-device.png",
"cardType": "side"
"imageUrl": "/static/maker/security-gadget.png"
},
{
"name": "Intruder Detector",
"description": "Raise the alarm when an intruder sneaks in",
"url":"/maker/intruder-detector",
"cardType": "example",
"imageUrl": "/static/maker/intruder-detector.png"
},
{
"name": "Puppet",
"description": "Build an automated puppet",
"url":"/maker/puppet",
"cardType": "example",
"imageUrl": "/static/maker/puppet.png"
}
]
```

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@ -0,0 +1,11 @@
# Intruder Detector
This program will activate an alarm when an object moves in front of the Ultrasonic Sensor.
TODO support for event when value changes
```blocks
input.ultrasonic4.onObjectNear(function () {
music.playSoundUntilDone(music.sounds(Sounds.PowerUp))
})
```

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@ -1,9 +0,0 @@
# Movement Detector
This program will activate an alarm when an object moves in front of the Ultrasonic Sensor.
```blocks
sensors.ultrasonic4.onEvent(UltrasonicSensorEvent.ObjectNear, function () {
music.playSoundEffectUntilDone(sounds.informationActivate)
})
```

View File

@ -3,13 +3,15 @@
Use this program with the Programmable Brick and Large Motor.
```blocks
forever(function () {
motors.largeA.run(30)
pause(100)
motors.largeA.stop()
music.playSoundEffectUntilDone(sounds.animalsCatPurr)
motors.largeA.run(-30)
pause(100)
motors.largeA.stop()
loops.forever(function () {
output.largeMotorA.setPower(30)
output.largeMotorA.on(true)
loops.pause(100)
output.largeMotorA.on(false)
music.playSoundUntilDone(music.sounds(Sounds.PowerUp))
output.largeMotorA.setPower(-30)
output.largeMotorA.on(true)
loops.pause(100)
output.largeMotorA.on(false)
})
```

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@ -1,141 +1,9 @@
# Security Gadget
# Make a Security Gadget
Invent a Security Gadget that will protect your belongings by warning you!
![Maker Make a Security Gadget Main Image](/static/lessons/make-a-security-gadget/lego-maker-security-detect.jpg)
## Connect
Over time, people have come up with many different ways to help protect their personal belongings from theft. These inventions include simple alarm systems and even traps!
![Make a Security Gadget 3 Stock Footage Images](/static/lessons/make-a-security-gadget/three-stock.jpg)
Look at the photos and think about:
* What do you see?
* Can you see any new design opportunities?
* What problems can you see?
* How could you make use of the LEGO bricks, the EV3 Programmable Brick, motors, and sensors?
### Things Youll Need
* [@boardname@ Core Set](https://education.lego.com/enus/products/legomindstormseducationev3coreset/5003400)
Additional materials to add to your Security Gadget:
* String
* Arts and crafts materials such as:
>* Cardboard
>* Construction paper
>* Pipe cleaners
>* Plastic or paper cups
>* Recycled materials
>* Rubber bands
>* Wire
### Prior Knowledge
This activity uses sensor inputs. You may want to try the [Use](/getting-started/use) or [Object Detection](/coding/object-detection) activity before this one. Or, you can start out with this activity and tinker with coding sensor inputs on your own.
## Contemplate
Follow the steps of the _Maker Design Process_ for this lesson:
| | |
|-|-|
| ![Paper sheet icon](/static/maker/design-process-icons/define-problem.png) | **Define the Problem** |
| ![Lightbulb icon](/static/maker/design-process-icons/brainstorming.png) | **Brainstorming** |
| ![Checkmark icon](/static/maker/design-process-icons/define-criteria.png) | **Define the Design Criteria** |
| ![Connector icon](/static/maker/design-process-icons/go-make.png) | **Go Make** |
| ![Redo icon](/static/maker/design-process-icons/review-revise.png) | **Review and Revise Your Solution** |
| ![Speaker icon](/static/maker/design-process-icons/communicate.png) | **Communicate Your Solution** |
### Defining the Problem
1. What problems did you imagine?
2. Pick one problem and explain it to a partner.
### Brainstorm
Now that you have defined a problem, start to generate ideas for solving it.
### ~hint
Some things to do while brainstorming:
* Use the bricks from the LEGO set to help you brainstorm or sketch your ideas on paper.
* The goal of brainstorming is to explore as many solutions as possible. You can use the tinkering examples in the Sample Solutions section below as inspiration for getting started.
* Share your ideas and get some feedback. It may lead to more ideas!
### ~
### Define the Design Criteria
1. You should have generated a number of ideas. Now select the best one to make.
2. Write out two or three specific design criteria your design must meet.
### Go Make
It is time to start making!
* Use the components from the @boardname@ Core Set and additional materials to make your chosen solution.
* Test and analyze your design as you go and record any improvements that you make.
### Review and Revise Your Solution
* Have you managed to solve the problem that you defined?
* Look back at your design criteria. How well does your solution work?
* How can you improve your design?
### Communicate Your Solution
Now that you have finished you can:
* Make a sketch or take a photo or video of your model.
* Label the three most important parts and explain how they work.
* Share your work with others.
## Continue
### Phone Protector - Sample Solution
This example program combined with the small model will sound an alarm if someone picks it up. The program activates an alarm when an object is lifted from the Touch Sensor.
![Security Gadget Tinkering Example #1 Phone Stand](/static/lessons/make-a-security-gadget/lego-maker-security-gadget.jpg)
#### Programming
1. Drag a ``||sensors:pause until touch||`` block and place it inside the ``||loops:forever||`` loop.
2. Drag a ``||music:play sound effect||`` block and place it below the ``||sensors:pause until||`` block.
3. Change the sound effect to ``mechanical horn1``.
This program will activate an alarm when an object is lifted from the Touch Sensor.
```blocks
forever(function () {
sensors.touch1.pauseUntil(ButtonEvent.Pressed)
music.playSoundEffect(sounds.mechanicalHorn1)
input.touchSensor1.onEvent(TouchSensorEvent.Released, function () {
music.playSoundUntilDone(music.sounds(Sounds.PowerUp))
})
```
Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the ``center`` button on the EV3 Brick to run the program.
### Object Detection - Sample Solution
This example program combined with the small model will sound an alarm if someone (or something) crosses its path! The program activates an alarm when an object moves in front of the Ultrasonic Sensor.
![Security Gadget Tinkering Example #1 Mouse detector](/static/lessons/make-a-security-gadget/lego-maker-security-detect.jpg)
#### Programming
1. Drag a ``||sensors:pause until ultrasonic||`` block and place it inside the ``||loops:forever||`` loop.
2. Drag a ``||music:play sound effect||`` block and place it below the ``||sensors:pause until||`` block.
3. Change the sound effect to ``mechanical horn1``.
```blocks
forever(function () {
sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectDetected)
music.playSoundEffect(sounds.mechanicalHorn1)
})
```
Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the ``center`` button on the EV3 Brick to run the program.
```

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@ -1,165 +1,12 @@
# Make a Sound Machine
Make a Sound Machine that can play a rhythm, music or just noise!
![Maker Make a Sound Machine Main Image](/static/lessons/make-a-sound-machine/lego-maker-sound-machine-1.jpg)
## Connect
Music is made up of a combination of sounds, notes and rhythm. A rhythm is a regular movement or repeated pattern of movements that can be used in many different ways. In mechanical machines, a rhythm can help keep a machine running smoothly. It can also be used to generate different sounds in music.
![Sound Machine 3 Stock Footage Images](/static/lessons/make-a-sound-machine/three-stock.jpg)
Look at the photos and think about:
* What do you see?
* Can you see any new design opportunities?
* What problems can you see?
* How could you make use of the LEGO bricks, the EV3 Programmable Brick, motors, and sensors?
### Things Youll Need
* [@boardname@ Core Set](https://education.lego.com/enus/products/legomindstormseducationev3coreset/5003400)
Additional materials to add to your Sound Machine:
* Small musical instruments, such as chimes, bells, and small drums
* Arts and crafts materials such as:
>* Cardboard
>* Construction paper
>* Pipe cleaners
>* Plastic or paper cups
>* Recycled materials
>* Rubber bands
>* Wire
### Prior Knowledge
This activity uses motor rotations and sensor inputs. You may want to try the [Use](/getting-started/use) or [Object Detection](/coding/object-detection) activity before this one. Or, you can start out with this activity and tinker with coding motor and sensor inputs on your own.
## Contemplate
Follow the steps of the _Maker Design Process_ for this lesson:
| | |
|-|-|
| ![Paper sheet icon](/static/maker/design-process-icons/define-problem.png) | **Define the Problem** |
| ![Lightbulb icon](/static/maker/design-process-icons/brainstorming.png) | **Brainstorming** |
| ![Checkmark icon](/static/maker/design-process-icons/define-criteria.png) | **Define the Design Criteria** |
| ![Connector icon](/static/maker/design-process-icons/go-make.png) | **Go Make** |
| ![Redo icon](/static/maker/design-process-icons/review-revise.png) | **Review and Revise Your Solution** |
| ![Speaker icon](/static/maker/design-process-icons/communicate.png) | **Communicate Your Solution** |
### Defining the Problem
1. What problems did you imagine?
2. Pick one problem and explain it to a partner.
### Brainstorm
Now that you have defined a problem, start to generate ideas for solving it.
### ~hint
Some things to do while brainstorming:
* Use the bricks from the LEGO set to help you brainstorm or sketch your ideas on paper.
* The goal of brainstorming is to explore as many solutions as possible. You can use the tinkering examples in the Sample Solutions section below as inspiration for getting started.
* Share your ideas and get some feedback. It may lead to more ideas!
### ~
### Define the Design Criteria
* You should have generated a number of ideas. Now select the best one to make.
* Write out two or three specific design criteria your design must meet.
### Go Make
It is time to start making!
* Use the components from the @boardname@ Core Set and additional materials to make your chosen solution.
* Test and analyze your design as you go and record any improvements that you make.
### Review and Revise Your Solution
* Have you managed to solve the problem that you defined?
* Look back at your design criteria. How well does your solution work?
* How can you improve your design?
### Communicate Your Solution
Now that you have finished you can:
* Make a sketch or take a photo or video of your model.
* Label the three most important parts and explain how they work.
* Share your work with others.
## Continue
### Rhythm Maker - Sample Solution
# Sound Machine
This example program combined with the small model will make a beat and rhythm on any surface when the program is run.
![Sound Machine Tinkering Example](/static/lessons/make-a-sound-machine/lego-maker-sound-machine.jpg)
#### Programming
1. Drag a run ``||motors:large motor A||`` block inside the ``||loops:forever||`` loop.
2. Press the **(+)**.
3. Change the rotations to `2`.
4. Drag a ``||loops:pause||`` block and place it under the motor block.
5. Change the duration to ``200`` ms.
6. Drag a ``||run large motor A||`` block inside the ``||loops:forever||`` loop.
7. Press the **(+)**.
8. Change the power to `100`.
9. Change the rotations to `1`.
```blocks
forever(function () {
motors.largeA.run(50, 2, MoveUnit.Rotations)
pause(200)
motors.largeA.run(100, 1, MoveUnit.Rotations)
loops.forever(function () {
output.motorA.on(50)
loops.pause(200)
output.motorA.on(100)
loops.pause(200)
})
```
Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the ``center`` button on the EV3 Brick to run the program.
### Color Sensor Sounds - Sample Solution
You can also tinker with the use of sensors.
![Sound Machine Color Sensor](/static/lessons/make-a-sound-machine/lego-maker-sound-machine-color-sensor.jpg)
#### Programming
1. Drag an ``||logic:if else||`` Logic block and place it inside the ``||loops:forever||`` loop.
2. Drag a ``||sensors:pause color sensor||`` block and place it inside the ``||logic:if true then||`` block.
3. Change the color to ``blue``.
4. Drag a ``||music:play tone||`` block and place under the sensor block.
5. Change the tone to ``Middle G`` (392 Hz).
6. Drag a ``||sensors:pause color sensor||`` block and place it inside the ``||logic:else||`` block.
7. Change the color to ``red``.
8. Drag a ``||music:play tone||`` block and place under the new sensor block.
9. Change the tone to ``High C`` (523 Hz).
10. Press the **(+)**.
11. Drag a ``||sensors:pause color sensor||`` block and place it inside the ``||logic:else if||`` block.
12. Change the color to ``green``.
13. Drag a ``||music:play tone||`` block and place under the new sensor block.
14. Change the tone to ``High D`` (587 Hz).
```blocks
forever(function () {
if (true) {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Blue)
music.playTone(392, music.beat(BeatFraction.Whole))
} else if (false) {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Red)
music.playTone(523, music.beat(BeatFraction.Half))
} else {
sensors.color3.pauseUntilColorDetected(ColorSensorColor.Green)
music.playTone(587, music.beat(BeatFraction.Half))
}
})
```
Click **Download** and follow the instructions to get your code onto your EV3 Brick. Press the ``center`` button on the EV3 Brick to run the program.
```

View File

@ -3,13 +3,13 @@
This program will play different sounds when the wheel is rotated. The sound is determined by which color is placed in front of the color Sensor.
```blocks
sensors.color3.onColorDetected(ColorSensorColor.Blue, function () {
input.color3.onColorDetected(ColorSensorColor.Blue, function () {
music.playTone(Note.G4, music.beat(BeatFraction.Half))
})
sensors.color3.onColorDetected(ColorSensorColor.Red, function () {
input.color3.onColorDetected(ColorSensorColor.Red, function () {
music.playTone(Note.C5, music.beat(BeatFraction.Half))
})
sensors.color3.onColorDetected(ColorSensorColor.Green, function () {
input.color3.onColorDetected(ColorSensorColor.Green, function () {
music.playTone(Note.D5, music.beat(BeatFraction.Half))
})
```

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@ -4,6 +4,6 @@ Here are some cool projects that you can build with your @boardname@!
## Basic
Basic projects to build with your EV3 Brick.
Basic projects to build with your @boardname@.
Coming soon.

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@ -1,24 +1,8 @@
# Reference
```namespaces
music.playSoundEffect(sounds.animalsCatPurr);
sensors.color(null);
motors.stopAll();
brick.showMood(moods.sleeping);
```
## Advanced
```namespaces
console.log("");
control.runInParallel(function(){});
```
## See Also
[brick](/reference/brick),
[sensors](/reference/sensors),
[motors](/reference/motors),
[music](/reference/music),
[control](/reference/control),
[console](/reference/console)
[touch sensor](/reference/sensors/touch-sensor),
[color sensor](/reference/sensors/color-sensor)

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@ -1,31 +0,0 @@
# Brick
## Screen
```cards
brick.showMood(moods.sleeping);
brick.showImage(images.expressionsBigSmile);
brick.showString("Hello world!", 1);
brick.showNumber(0, 1);
brick.showValue("item", 0, 1);
brick.clearScreen();
brick.showPorts();
```
## Buttons
```cards
brick.buttonEnter.onEvent(ButtonEvent.Bumped, function () {
});
brick.buttonEnter.pauseUntil(ButtonEvent.Bumped);
brick.buttonEnter.isPressed()
brick.setStatusLight(StatusLight.Red);
brick.buttonEnter.wasPressed()
```
## Other
```cards
brick.batteryLevel()
```

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@ -1,33 +0,0 @@
# battery Level
Return the current battery level.
```sig
brick.batteryLevel();
```
## Returns
* a [number](/types/number) which is the current charge level of the brick's battery. This is a percentage of total charge left in the battery.
## Example
Show the battery level percentage on the screen. Also, show a green light if the battery level is above 15%. If the battery level is below 15% but above 5%, show a orange light. But, if the battery level is below 5%, show a pulsing red light.
```blocks
let battery = 0;
forever(function() {
brick.showString("Battery level:", 1)
brick.showNumber(battery, 2)
battery = brick.batteryLevel();
if (battery > 15)
{
brick.setStatusLight(StatusLight.Green);
} else if (battery > 5) {
brick.setStatusLight(StatusLight.Orange);
} else {
brick.setStatusLight(StatusLight.RedPulse)
}
pause(30000)
})
```

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@ -1,53 +0,0 @@
# is Pressed
Check if a button is being pressed or not.
```sig
brick.buttonEnter.isPressed()
```
## ~hint
**Touch sensors**
Your @boardname@ has touch sensors that work like buttons. Instead of saying `enter` or `left` as the source button, use a touch sensor block with a sensor name like `touch 1`.
```block
if (sensors.touch1.isPressed()) {
console.log("Hey, I feel pressed.");
}
```
Read about [touch sensors](/reference/sensors/touch-sensor) and using them as touch buttons.
## ~
## Returns
* a [boolean](types/boolean): `true` if the button is pressed, `false` if the button is not pressed
## Example
Set the brick light to green when the `down` is pressed. When the button is not pressed, the brick light is red.
```blocks
let isRed = false;
forever(function() {
if (brick.buttonLeft.isPressed()) {
brick.setStatusLight(StatusLight.Green);
isRed = false;
} else {
if (!isRed) {
brick.setStatusLight(StatusLight.Red);
isRed = true;
}
}
})
```
## See also
[was pressed](/reference/brick/button/was-pressed),
[on event](/reference/brick/button/on-event)
[Touch sensors](/reference/sensors/touch-sensor)

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@ -1,57 +0,0 @@
# on Event
Run some code when a button is clicked, pressed down, or released.
```sig
brick.buttonEnter.onEvent(ButtonEvent.Bumped, function () {
});
```
## ~hint
**Touch sensors**
Your @boardname@ has touch sensors that work like buttons. Instead of saying `enter` or `left` as the source button, use a touch sensor block with a sensor name like `touch 1`.
```block
sensors.touch1.onEvent(ButtonEvent.Pressed, function () {
brick.setStatusLight(StatusLight.Orange);
});
```
Read about [touch sensors](/reference/sensors/touch-sensor) and using them as touch buttons.
## ~
## Parameters
* **ev**: the button action to run some code for. The button actions (events) are:
> * ``click``: button was clicked (pressed and released)
> * ``up``: button is released from just being pressed
> * ``down``: button is just pressed down
* **body**: the code you want to run when something happens with a button
## Example
Check for event on the ENTER button. Put a message on the screen when the button is pressed, clicked, or released.
```blocks
brick.showString("ENTER is: UP", 1);
brick.buttonEnter.onEvent(ButtonEvent.Released, function () {
brick.showString("ENTER is: UP ", 1);
});
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
brick.showString("ENTER is: DOWN ", 1);
});
brick.buttonEnter.onEvent(ButtonEvent.Bumped, function () {
brick.showString("ENTER was: CLICKED", 1);
});
```
### See also
[is pressed](/reference/brick/button/is-pressed),
[was pressed](/reference/brick/button/was-pressed),
[Touch sensor](/reference/sensors/touch-sensor)

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@ -1,37 +0,0 @@
# pause Until
Causes your program to wait until an event at a button happens.
```sig
brick.buttonEnter.pauseUntil(ButtonEvent.Bumped);
```
## Parameters
* **ev**: the button action to wait for. The button actions (events) are:
> * ``click``: button was clicked (pressed and released)
> * ``up``: button is released from just being pressed
> * ``down``: button is just pressed down
## Example
Wait for the `up` button to go up before continuing with displaying a message on the screen.
```blocks
let waitTime = 0;
brick.showString("We're going to wait", 1);
brick.showString("for you to press and", 2);
brick.showString("release the UP button", 3);
waitTime = control.millis();
brick.buttonUp.pauseUntil(ButtonEvent.Bumped);
brick.clearScreen();
if (control.millis() - waitTime > 5000) {
brick.showString("Ok, that took awhile!", 1)
} else {
brick.showString("Ah, you let go!", 1)
}
```
## See also
[on event](/reference/brick/button/on-event)

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@ -1,49 +0,0 @@
# was Pressed
Check if a button was pressed earlier.
```sig
brick.buttonEnter.wasPressed()
```
The fact that a button was pressed earlier is remembered. Once **was pressed** is used, this fact is forgotten and the result is `false` the next time you check with **was pressed** button _state_ is reset). But, if you press the button again before you check with **was pressed**, it will tell you `true`.
## ~hint
**Touch sensors**
Your @boardname@ has touch sensors that work like buttons. Instead of saying `enter` or `left` as the source button, use a touch sensor block with a sensor name like `touch 1`.
```typescript
if (sensors.touch1.wasPressed()) {
console.log("Hey, I was pressed.");
}
```
Read about [touch sensors](/reference/sensors/touch-sensor) and using them as touch buttons.
## ~
## Returns
* a [boolean](types/boolean): `true` if the button was pressed before, `false` if the button was not pressed before
## Example
Set the brick light to green if the `right` button was pressed before the `left` button. If not, the brick light is turned off when the `left` button is pressed.
```typescript
brick.buttonLeft.onEvent(ButtonEvent.Bumped, function() {
if (brick.buttonRight.wasPressed()) {
brick.setStatusLight(StatusLight.Green)
} else {
brick.setStatusLight(StatusLight.Off)
}
})
```
## See also
[is pressed](/reference/brick/button/is-pressed),
[on event](/reference/brick/button/on-event),
[Touch sensors](/reference/sensors/touch-sensor)

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@ -1,22 +0,0 @@
# clear Screen
Clear any text or numbers displayed on the screen. The screen will be blank.
```sig
brick.clearScreen();
```
## Example
Clear the screen after displaying the message.
```blocks
brick.showString("This message will", 1);
brick.showString("self-destruct in:", 2);
brick.showString("seconds", 5);
for (let i = 0; i < 10; i++) {
brick.showNumber(10 - i, 4);
pause(1000);
}
brick.clearScreen();
```

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@ -1,37 +0,0 @@
# set Light
Set the light on the brick to a solid or flashing color.
```sig
brick.setStatusLight(StatusLight.Red);
```
## Parameters
* **pattern**: the color or color pattern for the brick light to show. The brick light can have these color patterns:
>* `off`: brick light is off
>* `green`: solid green
>* `red`: solid red
>* `orange`: solid orange
>* `green flash`: flashing green
>* `red flash`: flashing red
>* `orange flash`: flashing orange
>* `green pulse`: pulsing green
>* `red pulse`: pulsing red
>* `orange pulse`: pulsing orange
## Example
Repeatedly show a different color pattern for the brick light.
```blocks
forever(function () {
brick.setStatusLight(StatusLight.Orange)
pause(1000)
brick.setStatusLight(StatusLight.GreenFlash)
pause(2000)
brick.setStatusLight(StatusLight.RedPulse)
pause(2000)
brick.setStatusLight(StatusLight.Off)
pause(500)
})
```

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@ -1,24 +0,0 @@
# show Image
Show an image on the brick's display.
```sig
brick.showImage(images.expressionsBigSmile);
```
You can choose one of several images to show on the display.
## Parameters
**image**: A image to show on the brick's display. Use the image picker to choose the image you want to show.
## Example
Show a sleeping image on the brick's display.
```blocks
brick.showImage(images.expressionsZzz)
```
## See also
[show image](/reference/brick/show-mood)

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@ -1,24 +0,0 @@
# show Number
Show a number on the screen at the line you select.
```sig
brick.showNumber(0, 1);
```
## Parameters
* **value**: a [number](/types/number) to show on the brick's screen.
* **line**: The line number on the screen where the value is displayed. The line numbers for the screen start with line `1`.
## Example
Show the number `1000` on the screen.
```blocks
brick.showNumber(1000, 1);
```
## See also
[show string](/reference/brick/show-string), [show value](/reference/brick/show-value)

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@ -1,24 +0,0 @@
# show Ports
Show the status of everything connected to the ports.
```sig
brick.showPorts()
```
You can find out what's connected to the ports on the brick and show its status. The status information from each sensor or motor connected is displayed on the screen.
## Example
Show the status of the ports on the brick when the ``enter`` button is pressed.
```blocks
brick.showString("Press ENTER for port status", 1)
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
brick.showPorts()
})
```
## See also
[show string](/reference/brick/show-string), [show value](/reference/brick/show-value)

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@ -1,29 +0,0 @@
# show String
Show some text on a the screen at the line you select.
```sig
brick.showString("Hello world", 1)
```
## Parameters
* **text**: a [string](/types/string) to show on the brick's screen.
* **line**: the line [number](/types/number) on the screen where the text is displayed. The line numbers for the screen start with line `1`.
## Example
Show a greeting on the screen. Then, respond with another message when ENTER is pressed.
```blocks
brick.showString("Hello, I dare you to", 1);
brick.showString("press ENTER...", 2);
brick.buttonEnter.onEvent(ButtonEvent.Bumped, function () {
brick.showString("Hey! Don't push my", 4);
brick.showString("buttons.", 5);
});
```
## See also
[show number](/reference/brick/show-number)

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@ -1,29 +0,0 @@
# show Value
Show a name-value-pair on the screen at the line you select.
```sig
brick.showValue("item", 0, 1);
```
Name-value-pairs are used to report data values to the screen. If you want to show the current temperature on the screen, you might use `"temp"` as the data name for the the value.
## Parameters
* **name**: a [string](/types/string) which is the name of the data value.
* **value**: a [number](/types/number) to show on the brick's screen.
* **line**: The line number on the screen where the value is displayed. The line numbers for the screen start with line `1`.
## Example
Show the current amount of ambient light detected by sensor 2.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Bumped, function () {
brick.showValue("color", sensors.color2.light(LightIntensityMode.Ambient), 1)
})
```
## See also
[show number](/reference/brick/show-number)

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@ -1,15 +0,0 @@
# Console
Output text and data values to the console.
```cards
console.log("");
console.logValue("x", 0);
console.sendToScreen();
```
## See also
[log](/reference/console/log),
[log value](/reference/console/log-value),
[send to screen](/reference/console/send-to-screen)

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@ -1,26 +0,0 @@
# send To Screen
Direct the console output to go to the @boardname@ screen.
```sig
console.sendToScreen();
```
A "console" is a place for a user to see special messages from a device. It could be something connected to a serial port, a display that shows text, or even a text file. A console is typically used as a place to send information that is added to a message _log_ (a record of messages that are sent from a device). Your program can send log messages using the [console](/reference/console) functions. The MakeCode editor has a console view that lets you see the console output when your program runs in the simulator.
On the EV3 Brick, the screen can serve as a console too and you can make your console output go there. Before using the console log functions, set the screen as the console output location.
## Example
Direct the console output to go to the screen. Show 20 values on the screen. Use the up and down buttons to scroll through the values.
```blocks
console.sendToScreen()
for (let index = 0; index <= 20; index++) {
console.logValue("index", index)
}
```
## See also
[log](reference/console/log), [log value](/reference/console/log-value)

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# Control
Program controls and events.
```cards
control.millis();
control.runInParallel(() => {
});
control.reset();
control.waitMicros(4);
control.deviceSerialNumber();
```
## Timer
```cards
control.timer1.reset()
control.timer1.pauseUntil(5)
control.timer1.millis()
control.timer1.seconds()
```
## Advanced #advanced
```cards
control.raiseEvent(0, 0);
control.onEvent(0, 0, () => {
});
control.assert(false, 0);
control.panic(0);
```

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# @extends
## Example #example
Stop the program if the gyro dectects an angle greater than 45 degrees.
```blocks
forever(function () {
control.assert(sensors.gyro2.angle() > 45, 15)
pause(300)
})
```

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# @extends
## Example #example
Log the device serial number to the console.
```blocks
console.logValue("serialnumber", control.deviceSerialNumber());
```

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# @extends
# Example #example
Register two events coming from source `22`. Make the brick status light up when
the events of `0` and `1` are _raised_.
```blocks
const statusLighter = 22;
control.runInParallel(() => {
for (let i = 0; i < 2; i++) {
pause(1000);
control.raiseEvent(statusLighter, i);
}
})
control.onEvent(statusLighter, 0, () => {
brick.setStatusLight(StatusLight.OrangePulse)
})
control.onEvent(statusLighter, 1, () => {
brick.setStatusLight(StatusLight.GreenPulse)
})
```

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# @extends
## Example #example
Send a 'code red' error that you created to the error display if the brick crashes into a wall.
```blocks
let codeRed = 1
let codeBlue = 2
sensors.touch1.onEvent(ButtonEvent.Pressed, function () {
control.panic(codeRed)
})
```

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# @extends
# Example #example
Register two events coming from source `22`. Make the brick status light up when
the events of `0` and `1` are _raised_.
```blocks
const statusLighter = 22;
control.runInParallel(() => {
for (let i = 0; i < 2; i++) {
pause(1000);
control.raiseEvent(statusLighter, i);
}
})
control.onEvent(statusLighter, 0, () => {
brick.setStatusLight(StatusLight.OrangePulse)
})
control.onEvent(statusLighter, 1, () => {
brick.setStatusLight(StatusLight.GreenPulse)
})
```

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# @extends
## Separate tasks #tasks
As an example, you could have a small task that checks the battery level and gives a warning when it drops below 15 percent. This is placed inside a ``||control:run in parallel||`` block:
```block
let powerCheck = false;
control.runInParallel(() => {
while (!powerCheck) {
if (brick.batteryLevel() <= 15) {
brick.setStatusLight(StatusLight.RedFlash)
powerCheck = true;
} else {
pause(5000);
}
}
})
```
The code the main program just drives the brick in a constant pattern until the battery check in the parallel task says that the battery level is too low.
```block
let powerCheck = false;
while (!powerCheck) {
motors.largeBC.tank(50, 50, 5, MoveUnit.Seconds)
motors.largeBC.steer(5, 50, 6, MoveUnit.Rotations)
}
motors.stopAll()
```
## #example
Tank the brick in a pattern until the battery warning variable is set. Have a separate task check the battery level and set a warning variable when the level is below `5` percent.
```blocks
let powerCheck = false;
control.runInParallel(() => {
while (!powerCheck) {
if (brick.batteryLevel() < 5) {
powerCheck = true;
} else {
pause(5000);
}
}
})
while (!powerCheck) {
motors.largeBC.tank(20, 20, 5, MoveUnit.Seconds)
motors.largeBC.steer(15, 20, 6, MoveUnit.Rotations)
motors.largeBC.tank(40, 40, 5, MoveUnit.Seconds)
motors.largeBC.steer(-10, 20, 3, MoveUnit.Rotations)
}
motors.stopAll()
```
## See also #seealso
[forever](/reference/loops/forever)

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# Timer
```cards
control.timer1.reset()
control.timer1.pauseUntil(5)
control.timer1.millis()
control.timer1.seconds()
```

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# millis
Get the amount of time counted by the timer in milliseconds.
The timer count begins from `0` when you program starts or is [reset](/reference/control/timer/reset).
## Returns
* a [number](/types/number) that is the amount of time elapsed, in milliseconds, since the timer was started or reset.
## Example
Find out how many milliseconds go by between presses of the `down` button on the brick.
```blocks
brick.buttonDown.onEvent(ButtonEvent.Pressed, function () {
brick.showValue("DownButtonTime", control.timer1.millis(), 1)
control.timer1.reset()
})
```
## See also
[seconds](/reference/control/timer/seconds), [reset](/reference/control/timer/reset)

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# pauseUntil
Pause until the timer counts up to a number of milliseconds.
```sig
control.timer1.pauseUntil(0)
```
When code in a block comes to a **pauseUntil**, it will wait until the timer count reaches the number of milliseconds you say. Code in blocks like **forever** and **runInParallel** will keep running while the current code is paused.
The time number you give is the number of milliseconds past the running timer count. If the timer is currently at `25000` milliseconds and you want to pause for `10` seconds, then use a pause time of `35000`. If you want your pause time number to match the actual wait time, then [reset](/reference/control/timer/reset) the timer first.
## Parameters
* **ms**: the [number](/types/number) of milliseconds that you want the timer to count up to. For seconds, convert to milliseconds: 100 milliseconds = 1/10 second and 1000 milliseconds = 1 second.
## Example
Pause between messages on the screen by `5` seconds.
```blocks
brick.clearScreen()
brick.showString("Testing my pause...", 1)
let startTime = control.timer1.millis()
brick.showValue("StartTime", startTime, 3)
control.timer1.pauseUntil(startTime + 5000)
brick.showValue("EndTime", control.timer1.millis() - startTime, 4)
```
## See also
[millis](/reference/control/timer/millis), [reset](/reference/control/timer/reset)

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# reset
Reset the elapsed time of the timer back to `0`.
```sig
control.timer1.reset()
```
A timer starts counting from `0` when your program starts. It's time value always gets larger as your program runs. Maybe you want to meausure how long some task takes to finish or you want to do some action only for a little while. A timer can keep track of the time it takes to do it.
Resetting the timer sets the time value to `0` so the next time you check the time it's exactly the amount of time that has _elapsed_. Otherwise, you need to remember a start time value and then subtract it from the current time.
## Examples
### Press time
Find out how much time goes by between presses of the `enter` button on the brick.
```blocks
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
brick.showValue("PressTime", control.timer1.seconds(), 1)
control.timer1.reset()
})
```
### Difference timer
Use a difference timer and compare it to a timer that resets. Use the ``left`` button to start timing and the ``right`` button to stop.
```blocks
let startTime = 0
let timing = false
brick.buttonLeft.onEvent(ButtonEvent.Pressed, function () {
brick.clearScreen()
brick.showString("Starting timers...", 1)
startTime = control.timer1.seconds()
control.timer2.reset()
timing = true
})
brick.buttonRight.onEvent(ButtonEvent.Pressed, function () {
if (timing) {
brick.clearScreen()
brick.showString("Timer results...", 1)
brick.showValue("timer 1", control.timer1.seconds() - startTime, 3)
brick.showValue("timer 2", control.timer2.seconds(), 4)
timing = false;
}
})
```

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# seconds
Get the amount of time counted by the timer in seconds.
The timer count begins from `0` when you program starts or is [reset](/reference/control/timer/reset). The number of seconds returned also includes milliseconds if there is a fractional part of a second too.
## Returns
* a [number](/types/number) that is the amount of time elapsed, in seconds, since the timer was started or reset.
## Example
Find out how many seconds go by between presses of the `down` button on the brick.
```blocks
brick.buttonDown.onEvent(ButtonEvent.Pressed, function () {
brick.showValue("DownButtonTime", control.timer1.seconds(), 1)
control.timer1.reset()
})
```
## See also
[millis](/reference/control/timer/millis), [reset](/reference/control/timer/reset)

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# @extends
## Example #example
Use the a wait and the timer to generate a crazy number.
```blocks
let crazy = 0
for (let i = 0; i < 100; i++) {
control.waitMicros(100)
crazy = control.millis()
crazy += control.deviceSerialNumber()
if (crazy != 0) {
crazy = crazy / 1000000
}
}
```

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