Ks0424 keyestudio micro:bit Passive Buzzer Module

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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


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Connection Diagram

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Source Code


Code 1：

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Code 2：

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Pay close attention to: you can turn the potentiometer on the module to adjust the sound magnification, which also will enlarge the analog value.

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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.
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Resources

Download all relevant info. below:



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