Sound Sensor KY-037
$0.60
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Sound Sensor KY-037
SKU: CPSEN009
MPN: NA
$0.60
Product Description
This sound sensor detects audio signals and outputs a digital HIGH/LOW signal when sound exceeds a set threshold. Operating at 3.3–5V, it is compatible with Arduino, ESP32, and other microcontrollers. The onboard potentiometer allows sensitivity adjustment. Ideal for sound-activated projects, alarms, and interactive electronics.
Product Specifications
- Product KY-037 High Sensitivity Sound Sensor Module
- Operating Voltage 3.3V – 5V DC
- Sensor Type Electret microphone with amplifier
- Digital Output (DO) High/Low signal when sound exceeds threshold
- Analog Output (AO) Raw analog sound level
- Sensitivity Adjustable (via onboard potentiometer)
- Indicator Onboard status LED for digital output
- Microphone Type Condenser (electret) microphone
- Detection Range Up to several meters depending on sound intensity
- Mounting Holes Yes (varies by module version)
- Special Features High-sensitivity microphone, dual output (analog + digital), easy interface with Arduino/ESP32/Raspberry Pi
