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Audio Sound Detector Module 
with sensitivity adjustment For Arduino circuits

This listing is for a small audio detector circuit with sensitivity adjustment.  The output is normally high, and the video above gives you a full demonstration of how it works.  It comes with a plug-in connector.   It requires 5v to operate. It works great with arduino and clap circuits. There are three pins to take into consideration:

Interface Pins:
VCC - Supply line.  Connect 5v here.
GND - DC ground line
OUT - Output (0-5v) 

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