Sound Detection Sensor Module

Reference: 51000086

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Operating voltage 3.3V-5V

Outputs digital switching output (high and low level 0 and 1

Operating current (Vcc=5V): 4-8mA

Microphone sensitivity (1Khz): 52-48dB

Microphone Impedance: 2.2KΩ

Microphone Frequency: 16-20Khz

Microphone S/N ratio: 54dB

Signal output indication

Single-channel signal output

Outputs low level and the ...

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Sound detection sensor module for arduino detects whether sound has exceeded a threshold value. Sound is detected via microphone and fed into an LM393 op amp. The sound level set point is adjusted via an on board potentiometer. When the sound level exceeds the set point, an LED on the module is illuminated and the output is sent low.

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