uxcell Microphone Sound Sensor Voice Detection Module with Digital Output for Arduino DIY Projects

Great Sensors for Arduino Project. Having Fun With Electronics and Programming! Description: The Sound Detector is based on a microphone and a power amplifier. It outputs signal if the sound intensity is above a certain threshold. This sound sensor can not detect sound lever. "OUT" outputs 0 and 1 digital signal. Sensitivity is adjustable by adjusting the potentiometer. Wiring Instructions: VCC ---- "+" GND ---- "-" OUT ---- Digital Output Specification: Working Voltage: DC 3.3V-5.5V PCB Size: 31 x 17mm / 1.22" x 0.67" (L*W) Fixed Hole Diameter: 3mm Package Includes: 1 x Sound Detection Sensor Module