High-quality sound detection module with onboard microphone, gain adjustment, and both digital and analog outputs. Detects claps, knocks, and environmental noises to trigger actions in automation systems, smart home devices, and educational robotics applications
Technical Specifications
- PCB Color: Blue
- Operating Voltage: 3.3 V – 5 V
- Microphone Type: Electret condenser
- Output Pins: DO (Digital), AO (Analog), VCC, GND
- Detection Range: 30 dB – 120 dB (environment dependent)
- Sensitivity: Adjustable using onboard potentiometer
- Indicator LEDs: Power LED & Signal detection LED
- Output Mode:
- Digital: High when sound exceeds threshold
- Analog: Real-time audio amplitude
- Dimensions (L×B×H): ~43 × 16 × 13 mm
- Weight: ~6–8 grams
- Mounting: 2 screw holes for easy installation
