Ks0424 keyestudio micro:bit Passive Buzzer Module
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