• Can only detect if there is a sound, which reach the threshold setup by the adjustable resistor, can’t detect the size or frequency of the sound.
  • Based on the microphone and LM358 IC
  • Working voltage: DC 4-6V
  • Signal indicator LED
  • Digital signal output
  • Output right signal as Low TTL (LED On)
  • Could be used for a sound control light, light alarm, light control and light detection

Documentation: See the schematic and instruction on the attachment or this page.

Additional information

Weight 0.07 kg


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