LM393 Sound Sensor Module - High Sensitivity Microphone Sound Detection Sensor with 3.3-5V Digital Onboard Potentiometer Led Indicator for Ar-duino (Pack of 5)

KWD 4.500

All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.

This is a LM393 Sound Detection Sensor Module for Ar duino to detect whether sound has exceeded a threshold value. The sound is detected via microphone and fed into an LM393 op-amp.
Working voltage: DC 3.3-5V；Sound detected LED: The signal light when there is sound
Main Chip: LM393, Electret condenser microphone
Document link: https(:)//drive(DOT)goo(-)gle(DOT)com/open?id=1N3nr2m25jU2xqbqBTnGvhL9j5vlGCO2N
Note: This microphone sensor only recognizes the availability of sound cannot identify the size of the sound or the specific frequencies of sound.

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