9. Case 08: Speed Adjustable Fans¶
To make a speed adjustable fan with the micro:bit.
9.2. Quick Start¶
Nezha expansion board × 1
micro:bit × 1
Potentiometer × 1
Motor × 1
RJ11 wire × 1
Connect the potentiometer to J1 and motor to M1 on the Nezha expansion board as the picture shows.
9.3. 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 “PlanetX” in the dialogue box to download it.
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:---
Adjust the speed of the fan via the potentiometer.