Microphone sound sensor module
SensorsIn Stock

Microphone sound sensor module

17925028% OFF

Component Technical Specifications

This Microphone Sound Sensor module is designed to detect ambient sound levels and acoustic noise. It features a sensitive electret microphone and an LM393 comparator for reliable performance. With both analog and digital outputs, it can be used for simple tasks like sound-activated lighting (clapper switch) or more complex applications like real-time sound level monitoring using an ADC. The onboard potentiometer allows for easy calibration to filter out background noise.

Sensor TypeElectret Condenser Microphone.
Operating Voltage3.3V to 5V DC.
Main ChipsetLM393 High-Precision Comparator.
Output ChannelsDual Output (Analog + Digital).
Digital Output (DO)Outputs a High/Low signal when sound exceeds the set threshold.
Analog Output (AO)Outputs a real-time voltage signal corresponding to the sound intensity.
SensitivityAdjustable via an onboard multi-turn potentiometer.
Indicators
Power LEDLights up when the module is powered.
Signal LEDLights up when the sound level reaches the trigger threshold.
Pin Configuration
AOAnalog Signal Output.
GNDGround.
VCC3.3V - 5V Power.
DODigital Signal Output.

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