Description
The KY-037 microphone sensor module detects sound intensity and triggers digital output when noise exceeds a set threshold. Ideal for voice-activated projects, sound alarms, and interactive electronics using Arduino or ESP32.
KY-037 Microphone Sound Detection Module
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The KY-037 microphone sensor module detects sound intensity and triggers digital output when noise exceeds a set threshold. Ideal for voice-activated projects, sound alarms, and interactive electronics using Arduino or ESP32.
20 in stock
Additional information
| Interface | 4-pin: VCC, GND, AO, DO |
|---|---|
| Dimensions | ~38mm × 17mm |
| Sensor Type | Electret condenser microphone |
| Applications | Sound detection, voice triggers, alarms, interactive systems |
| Output Signals | Analog (AO) + Digital (DO, threshold adjustable) |
| Detection Range | ~10cm – 1m (depends on sound intensity) |
| Operating Voltage | 3.3V – 5V |
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