28. case 24 The Climbing LEDs

28.1. Introduction

To make a climbing LEDs effect with the built-in sound sensor on the micro:bit.

28.2. Quick Start

Materials Required

Nezha expansion board × 1

micro:bit V2 × 1 Tips: You may need to purchase Nezha Inventor’s Kit if you want all the above compoents.

28.3. MakeCode Programming

Step 1

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

Reference

Link: https://makecode.microbit.org/_edDbuTF37eix

You may also download it directly below:

Result

The numbers of the light-up LEDs change with the sound level surrounding the micro:bit.