Grove - Loudness Sensor

Code:  GRSEN-LOUD-001
Product Number:  73792L
Brand/Manufacturer:  Seeedstudio
Availability:    In Stock: 1
Product Weight:  g
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The Grove Loudness Sensor is designed to detect the loudness of environmental sound. Based on amplifier LM2904 and a built-in microphone, it amplifies and filters the high frequency signal that received from the microphone, and outputs a positive envelop. The output value depends on the level of sound input. 

In order to avoid unnecessary signal disturbances, input signal will go through two times filtering inside the module. The on-board screw potentiometer enables manual adjustments to the output gain.

Noise measurement in an area or environment

  • Voltage: 3.5 - 10VDC
  • Working Frequency: 50 - 20000HZ
  • Sensitivity: -48 - 66dB
  • Signal-to-noise Ratio: >58dB
  • Output Signal Range: Digital Signal(0-1023)

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