Ks0424 keyestudio micro:bit Passive Buzzer Module

keyestudio Passive Buzzer Module For BBC micro:bit

Description

This keyestudio passive buzzer is fully compatible with micro:bit control board.
It is mainly composed of a passive buzzer without oscillation circuit. It cannot be actuated by itself, but by external pulse frequencies.
Different frequencies produce different sounds. Even can code the melody of a song.
There are total 6 rings on the module. Note that two G rings, two V rings and two S rings are connected. G for ground; V for 3V; S for signal pin(0 1 2).
When using, connect the module to micro:bit control board using Crocodile clip line.

Technical Parameters

• Working voltage: DC 3.0-3.3V
• Output signal: Digital signal (square wave)
• Dimensions: 31mm*27mm*4.5mm
• Weight: 2.3g
• Environmental attributes: ROHS

Connection Diagram

Source Code

Code 1：



Code 2：

Note:
If you drag the source code we provided to the Microsoft MakeCode Block editor https://makecode.microbit.org/#editor Click the icon , you can check the frequency of each tone as follows:

Example Result

Connect well the module, then send the source code to the micro:bit main board.
If send the code 1, the buzzer will alternately make two sounds.
If send the code 2, the buzzer will play a song of Ode To Joy.

Resources

Download all relevant info. below:
https://drive.google.com/open?id=1vIHiyUsU2Fp3aSipDG83ecSAuiFL6YHR