21. Gesture Sensor

21.1. Introduction

Gesture Sensor is able to recognize 9 gestures including move-up, move-down, move-left, move-right, etc. with a simple swipe of your hand, it is usually used in the non-contact controlling system such as the non-contact mouses, smart home, clicking equipments controlling in cars and interaction to robots ect.


21.2. Characteristic

  • Designed in RJ11 connections, easy to plug.

21.3. Specification

Item Parameter
SKU EF05020
Connection RJ11
Type of Connection IIC
Working Voltage 3.3V
Core IC PAJ7620U2
Supported Gestures Basic gestures(Up, down, right, left, forward, reverse, clockwise, anticlockwise.)

21.4. Outlook


21.5. Quick to Start

Materials Required and Diagram

  • Connect the Gesture sensor to the IIC port in the Nezha expansion board as the picture shows.


21.6. MakeCode Programming

Step 1

Click “Advanced” in the MakeCode drawer to see more choices.


We need to add a package for programming, . Click “Extensions” in the bottom of the drawer and search with “PlanetX” in the dialogue box to download it.


Note: If you met a tip indicating that the codebase will be deleted due to incompatibility, you may continue as the tips say or build a new project in the menu.

Step 2

Code as below:



  • The equivalent icon for each gesture displays on the micro:bit.

21.7. Relevant File

21.8. Technique File