35. Case 34: Gesture Recognition Car

35.1. Introduction

Make a gesture recognition car.


35.2. Quick Start

Materials Required

Nezha expansion board × 1

micro:bit V2 × 1

Motors × 2

Gesture sensor × 1

Bricks × n

Tips:Purchase Interactive coding accessories pack here.




Connection Diagram

  • Insert the micro:bit, connect the motors to M1and M4 and the gesture sensor to IIC port on the Nezha expansion board as the picture shows.



  • Build a device as the picture shows:





link: https://youtu.be/ib-xX0MS41U

35.3. 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:



Link: https://makecode.microbit.org/_WkPER99xMP8e

You may also download it directly below:



  • After powering on, the car moves along with the indicated gestures.