Loudness Sensor

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 envelope. This will make for Arduino’s signal acquisition. The output value depends on the level of the sound input. In order to avoid unnecessary signal disturbances, the input signal will go through two times filtering inside the module. Lastly, there is a screw potentiometer that enables manual adjustments to the output gain.

8,95

Description

Features

  • Grove compatible interface
  • Wide supply voltage range
  • Built-in signal filtering
  • Gain adjustable via screw potentiometer

Technical details

Dimensions 24mm x20mm x9.8mm
Weight G.W 9g
Battery Exclude
Voltage 3.5~10 VDC
Working Frequency 50~2000 Hz
Sensitivity -48~66 dB
Signal-to-noise Ratio >58 dB
Output Signal range Analog Signal (0-1023)

Part List

Grove – Loudness Sensor 1

ECCN/HTS

ECCN EAR99
HSCODE 9031900090
USHSCODE 8531800050
UPC 841454108023
ROHS 1

Additional information

Weight 0.009 kg

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