Sound Sensor

Sound Sensor

The sound sensor can detect the volume of the sound in the ambient environment.

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Real-life example

  • Sound control lamps in corridors use sound sensors to control the ON and OFF of the lamps.

Specifications

  • Dimensions: 24 × 20 (mm)
  • Value range: 0–100
  • Consistency error: ±5
  • Operating current: 40 mA
  • Microphone sensitivity: –45 to +39 (dB)
  • Microphone impedance: 2.2 kΩ
  • Microphone S/N ratio: 55 dB