Ks0424 keyestudio micro:bit Passive Buzzer Module

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keyestudio Passive Buzzer Module For BBC micro:bit


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:


If you drag the source code we provided to the Microsoft MakeCode Block editor https://makecode.microbit.org/#editor Click the icon thumb , 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.


Download all relevant info. below:

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