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Sound Detection Sensor Module with Sensitivity Control Potentiometer

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  • Main Chip: LM393, Electric Condenser Microphone
  • Working Voltage: DC 3.3 to 5V
  • Signal output indication.
  • Single channel signal output.
  • Circuit board output switch quantity.
  • The output effective signal is low level.
  • Can detect the intensity of the sound environment.
  • With the retaining bolt hole, convenient installation.
  • When there is sound, outputs low level and the signal light.
  • Can be used for Acoustic control light, give sound and light alarm working with Photosensitive sensor, and sound control, sound detect.

Note: This sensor only recognizes the availability of sound (vibration principle) can not identify the size of the sound or the specific frequencies of sound.



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