7. Case 06: Temperature-controlled Fan

7.1. Introduction

To make a fan that can be controlled by the temperature with a micro:bit.


7.2. Quick Start

Materials Required

Nezha expansion board × 1

micro:bit × 1

Motor × 1

Bricks details



Connection Diagram

  • Connect 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/shI_D7j6M7o

7.3. MakeCode Programming

Step 1

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.

Step 2

Code as below:




You may also download it directly below:



  • The fan turns on/off automatically according to the temperature.