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Crane mission (#907)

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* dummy page

* robot 1 lesson

* added lesson 2

* added mission 2

* added link
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Peli de Halleux
2019-09-06 16:10:33 -07:00
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# Robot 1 Lesson
## Step 1 Build Your Driving Base Robot @unplugged
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)
If clicking the above image doesn't open the instructions, right-click on the image and choose "Save link as..." to download the PDF.
## Step 2 Show an image @fullscreen
It's useful to know that your program is running. Plug a ``||brick:show mood||`` from the **BRICK** toolbox
inside the ``||loops:on start||`` block. Change the image if you want!
```blocks
brick.showMood(moods.neutral)
```
## Step 3 Try your code @fullscreen
Look at the simulator and check that your image is showing up. When you are ready, press the **DOWNLOAD** button
and follow the instructions to transfer your code on the brick.
## Step 4 Steer motors @fullscreen
Drag a ``||motors:steer motors||`` block from the **MOTORS** toolbox and snap it under ``||brick:show mood||``.
Click on the plus and make sure to tell your motors to turn **1** rotation.
```blocks
brick.showMood(moods.neutral)
motors.largeBC.steer(0, 50, 1, MoveUnit.Rotations)
```
## Step 5 Try your code @fullscreen
Whenever you make a code change, the simulator will restart and you can preview what your code will do there.
When you are ready, click **DOWNLOAD** and follow the instructions to transfer the code into your brick.
**Remember** Take the driving base apart at the end of the session, so the other group can build it next time