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The microphone is an analog input module that can be used as an ear for your circuit, it detects the sound from the environment.



  • Low-power, omnidirectional microphone
  • Analog input module
  • Easy to use


  • Operating Voltage: 3.3V DC
  • Supply mode: Crowbits Power Module
  • Dimensions: 31.5(L)*24.5(W)*13(H) mm


1. You also need to prepare a power module, such as Crowbits-Power Supply, and an output module, such as Crowbits-Buzzer.

2. The connection mode is shown in the figure, but the signal feet of the input module and the output module must be connected.

Crowbits-Microphone-Wiki 1.jpg

3. Then, turn on the power. When a sound is detected around, the buzzer connected behind will make a sound.