6. Case 05: Automatic Dryer¶
To make an automatic dryer with a micro:bit.
6.2. Quick Start¶
Nezha expansion board × 1
micro:bit × 1
Sonar:bit × 1
Motor × 1
RJ11 wires × 1
Connect the sonar:bit to J1 and the motor to M1 on the Nezha expansion board as the picture shows.
Build a device as the picture shows:
Video reference: https://youtu.be/5kB0bYEsJ1c
6.3. 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:---
While there is any object detected by the Sonar:bit, the fan moves automatically.