4. Ring:bit Introduction of E-blocks

4.1. Add New Extensions

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• We’ll need to add a package of code to be able to use our ring:bit car.

• Add new package by following below steps.

Step 1

• Click on “Advanced” in the Code Drawer to see more code sections and look at the bottom of the Code Drawer for “ Extensions”.

Step 2

• Search for “ringbitcar” and click on the ring:bit car package to add it to your project. (As below picture)

Step 3

• Completed.

4.2. Introduction

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• Pre-coding, we need to use the block to name the left wheel and the right wheel.

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• Above block is for the car goes straight at full speed.

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• Above block is for the car reverses at full speed.

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• Above block is for the car turns left at full speed.

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• Above block is for the car turns right at full speed.

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• Above block is for the car brakes.

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• Above block is for setting the rotate speed for the left wheel and the right wheel of the car.

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• This block can be used to judge the line follow status after you expands the line follow module.

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• This block can be used to receive the ultrasonic’s distance after you expands the ultrasonic distance module.

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Program

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• Program Link：https://makecode.microbit.org/_MitdxCVTbJfz

• If you don’t want to type these code by yourself, you can directly download the whole program from the link below:

4.3. Questions

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4.4. More Information

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