KY-037 Sound Module (High Sensitivity Microphone Electret Condenser)

High Sensitivity Microphone Sensor Module

  • Sound/Voice Detection Electret Condenser Module
SKU: SLY3134 Category:

Product Description

  • This is a microphone voice sound sensor module for Arduino and other development platforms.
  • Single channel signal output
  • Low-level output signal used for sound control light
  • Great module for sound-alarm system
  • Electric condenser microphone


  • Electret condenser microphone main chip: LM393
  • Working voltage: DC 4-6V

Interface definition:

  • AO: analog output sensor
  • GND: ground
  • VCC: Power supply input range: 3V-24V.
  • DO: Digital Output (comparator output)
  • Two red LED indication: POWER and SENSOR.
  • POWER: Power is off.
  • SENSOR: When the microphone senses sound reaches a certain value, this LED lit up.
  • Dimensions: 1.38 in x 0.59 in x 0.51 in (3.5 cm x 1.5 cm x 1.3 cm)
  • Weight: 0.11 oz (3 g).




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