pxt-calliope/docs/projects/turtle-scanner.md
2018-09-11 09:02:40 -07:00

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# Turtle Scanner
## Setting up your project
This project uses an **microturtle** Extension. You'll need to add it to your project to make it work.
* create a new project
* click on the gearwheel menu and click **Extensions**
* select the **microturtle** extension
After the project reloads, you should see the **turtle** category in the blocks.
## Code
The turtle scans the display over and over again.
```blocks
turtle.setPosition(0, 0)
turtle.turnRight()
turtle.setSpeed(20)
basic.forever(() => {
turtle.forward(4)
turtle.turnRight()
turtle.forward(1)
turtle.turnRight()
turtle.forward(4)
turtle.turnLeft()
turtle.forward(1)
turtle.turnLeft()
})
```
```package
microturtle=github:Microsoft/pxt-microturtle#master
```