Starter Guide

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Lesson 11 Passive buzzer
Introduction
In this lesson, we learn about how to use the passive buzzer.
Passive buzzer
The HZ of the sound can be controlled, and it can make the effect of Do Rai
Mi Fa So La Xi Do
The main difference of active buzzer and passive buzzer: the input signal for
products is different.
Operating steps
1. First, we need to prepare the following experimental materials:
1 * microbit
1 * microbit expansion board
1 * USB cable
1 * Passive buzzer
- Several Jumper wires
2. Connect the passive buzzer to micro:bit.
connection diagram：