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DIY 1-Way Sound Sensor Module for Arduino
Model N/A Quantity 1 Color Blue Material PCB Features Sensitivity adjustable£¬ Operation voltage: 3.3V-5V£¬ digital on-off output£¬ with fixed screw hole for easy installation Application Detecting the surrounding sound intensity£¬ not available for detecting sound loudness or sound of specific frequency Packing List 1 x Sound sensor module