30. Case 29: The Dazzling Car¶
This is a simple car. I installed a cool rainbow light ring on the car, and we can display different lighting effects through this light ring.
30.2. Quick Start¶
Nezha expansion board × 1
micro:bit V2 × 1
motors × 2
Color sensor × 1
Rainbow LED ring × 1
Bricks × n
Insert the micro:bit, connect the motors to M1and M4, the color sensor to IIC port and the rainbow LED ring to J1 on the Nezha expansion board as the picture shows.
30.3. MakeCode Programming¶
Click “Advanced” in the MakeCode to see more choices.
For programming, we need to add a package, click “Extensions” at the bottom of the MakeCode drawer and search with “nezha” in the dialogue box to download it
Notice: If you met a tip indicating that some codebases would be deleted due to incompatibility, you may continue as the tips say or create a new project in the menu.
Code as below:¶
You may also download it directly below:---
After powering on, press button A to drive the car foward and the LEDs light up in red and blue, press button B to stop the car and the LEDs light off.