KY-037 Sound Detection Sensor Module

About this product

Sound sensor module with electret microphone and LM393 comparator. Provides both analog output (microphone signal) and digital output (threshold-triggered) via onboard potentiometer. Ideal for sound-activated projects, voice detection, and ambient noise sensing.

Ultrasonic, IR, temperature, humidity, motion, current, camera and RF sensor modules - plus relay, logic-level and breakout boards for prototyping and production.

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Specifications

Operating Voltage

3.3V to 5V DC

Output

Analog (microphone) + Digital (threshold)

Comparator

LM393

Threshold Adjustment

Onboard potentiometer

Onboard

Power LED + status LED

Sensitivity

Adjustable via potentiometer