Starter Guide

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Lesson 34 Ultrasonic control RGB bar
Introduction
In this lesson, let’s learn to control the RGB LED bar with ultrasonic.
Operating steps
1. First, we need to prepare the following experimental materials:
1 * microbit
1 * microbit expansion board
1 * USB cable
1 * ultrasonic module
1 * RGB LED bar
- Several Jumper wires
2. Now connect the ultrasonic module and RGB LED bar to micro:bit.
connection diagram：