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)

• 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:
• Note: This microphone sensor only recognizes the availability of sound cannot identify the size of the sound or the specific frequencies of sound.

Description: LM393 Sound Detection Sensor Module for Ar duino detects whether sound has exceeded a threshold value. The sound is detected via microphone and fed into an LM393 op-amp The sound level setpoint is adjusted via an onboard potentiometer. When the sound level exceeds the set point, an LED on the module is illuminated and the output is sent low Features : Signal output indication The output is digital Single channel signal output With the retaining bolt hole, convenient installation The signal light when there is sound With this sound, what you can do: You could detect whether or not a motor is running You could set a threshold on pump sound so that you know whether or not there is cavitation In the presence of no sound, you might want to create an ambiance by turning on music In the presence of no sound and no motion, you may go into an energy savings mode and turn off the lights Package Includes : 5 X LM393 Sound Detection Sensor Module 1 X 40P Female to Male Dupont Cable

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