Update 'make it faster' lesson (#373)
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Galen Nickel
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# Make It Smarter and Faster
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## Connect
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### Design Brief
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@ -34,18 +33,25 @@ Think about:
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### Build
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Think about a creature’s 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.
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More building ideas:
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* [EV3 Frames](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/ev3%20frames-5054ee378e624fb4cb31158d2fc8e5cf.pdf)
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* [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)
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* [Gyro Sensor](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/gyro%20sensor-6f0fdbd82ae45fe0effa0ebf3f460f3d.pdf)
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* [Ultrasonic Sensor](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/ultrasonic%20sensor-a56156c72e8946ed4c58c5e69f3520d3.pdf)
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* [Touch Sensor](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/touch%20sensor-868fda1b9d6070a0a034fb22456a7fc9.pdf)
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* [Jaw](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/jaw-ee93e8f3243e4d30cd34b0c337c33653.pdf)
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* [Leg 1](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/leg%201-c14624046ea3a95148820ed404f5ac65.pdf)
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* [Leg 2](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/leg%202-8855c35b990205f6b9d7130687a3d4db.pdf)
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* [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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|-|-|-|-|-|
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|[][EV3 Frames] | |[][Color Sensor 1] | |[][Gyro Sensor] |
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| [EV3 Frames] | | [Color Sensor 1] | | [Gyro Sensor] |
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<br/>
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|[][Ultrasonic Sensor] | | [][Touch Sensor] | | [][Jaw] |
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| [Ultrasonic Sensor] | | [Touch Sensor] | | [Jaw] |
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<br/>
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|-|-|-|-|-|
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| [][Leg 1] | | [][Leg 2] | | [][Leg 3] |
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| [Leg 1] | | [Leg 2] | | [Leg 3] |
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### Program
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@ -55,81 +61,46 @@ Before you program, think about:
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* How will you program the robot to respond?
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* Which programming blocks will you use?
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### ~ hint
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### ~hint
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**Hint:** Explore the different Sensor blocks in the Sensors Menu
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### ~
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## SCREEN 5
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### Sample Solution
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Sample Solution
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[Video: EV3 Insect]
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This Insect uses its Ultrasonic Sensor to sense danger and move away from threat.
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The Insect uses its Ultrasonic Sensor to sense danger and move away from a threat.
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https://www.youtube.com/watch?v=PoeYoiXHHE4
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<br/>
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The Insect solution combines these building ideas:
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* EV3 Frames
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* Leg 2
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* Leg 3
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* Ultrasonic Sensor
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* [EV3 Frames]
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* [Leg 2]
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* [Leg 3]
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* [Ultrasonic Sensor]
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Four copies of Leg 3 were built: one for the front left, one for the back right, and two mirror copies for the front right and back left.
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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.
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* [Building Instructions](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/insect-94b8a46f0dc5082c9d78ddb734626dc9.pdf)
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Building Instructions:
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[](https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/insect-94b8a46f0dc5082c9d78ddb734626dc9.pdf)
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### Sample Solution
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This program checks if the Ultrasonic Sensor senses something near.
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This program:
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The blocks inside the ``||loops:forever||`` loop have these actions:
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* Turns on the green EV3 brick Status Light
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```block
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brick.setStatusLight(StatusLight.Green)
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```
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* Waits for Ultrasonic Sensor to detect an object
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```block
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sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectDetected)
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```
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* Turns on Motors A and D in opposite directions
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```block
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motors.largeAD.tank(50, -50)
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```
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* Waits for one half of a second (1500 milli seconds)
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```block
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pause(1500)
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```
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* Reverses the direction of Motors A and D
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```block
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motors.largeAD.tank(-50, 50)
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```
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* Waits for one half of a second
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* Stops all motors
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```block
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motors.stopAll()
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```
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* Makes an insect chirping sound
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```block
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music.playSoundEffectUntilDone(sounds.animalsInsectChirp)
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```
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* Loops so the insect wanders around when the Ultrasonic Sensor is triggered
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1. Turn on the ``green`` EV3 brick Status Light.
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2. Wait for Ultrasonic Sensor to detect an object.
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3. Turn on Motors ``A`` and ``D`` in opposite directions.
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4. Wait for one quarter of a second (``1500`` milli seconds).
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5. Reverse the direction of Motors ``A`` and ``D``.
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6. Wait for one quarter of a second.
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7. Stop all motors.
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8. Make an insect chirping sound.
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9. Loop continuously so that the insect wanders around when the Ultrasonic Sensor is detects something.
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```blocks
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forever(function () {
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@ -146,7 +117,7 @@ forever(function () {
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### Download and test
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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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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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## Contemplate
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@ -157,7 +128,6 @@ As you work on your solution:
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2. Describe one design change that you had to make.
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3. What will you try next?
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### Review and Revise
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Take a moment to reflect on your robot solution.
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@ -170,15 +140,14 @@ Think about:
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Describe two ways you could improve your robot.
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## Continue
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Personalize your project
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Personalize your project:
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* Add/remove LEGO elements to improve the way your robot moves.
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* Click on the JavaScript tab and experiment with changing the values in the code.
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* Add a custom image or sounds by adding blocks from the Brick or Music menus.
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* Does your robot resemble a creature? Add arts and crafts materials to you project.
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* Does your robot resemble a creature? Maybe add more craft materials to your project.
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## Communicate
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@ -190,3 +159,14 @@ Here are some ideas:
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* Add a team photograph!
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Congratulations! What will you design next?
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[EV3 Frames]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/ev3%20frames-5054ee378e624fb4cb31158d2fc8e5cf.pdf
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[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
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[Gyro Sensor]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/gyro%20sensor-6f0fdbd82ae45fe0effa0ebf3f460f3d.pdf
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[Ultrasonic Sensor]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/ultrasonic%20sensor-a56156c72e8946ed4c58c5e69f3520d3.pdf
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[Touch Sensor]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/touch%20sensor-868fda1b9d6070a0a034fb22456a7fc9.pdf
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[Jaw]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/jaw-ee93e8f3243e4d30cd34b0c337c33653.pdf
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[Leg 1]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/leg%201-c14624046ea3a95148820ed404f5ac65.pdf
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[Leg 2]: https://le-www-live-s.legocdn.com/sc/media/files/support/mindstorms%20ev3/building-instructions/design%20engineering%20projects/leg%202-8855c35b990205f6b9d7130687a3d4db.pdf
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[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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