Description DIY-Clap Acoustic Control Switch PCB-Kit DIY-Clap Acoustic Control Switch PCB-Kit Operating Voltage: 4.5-5V PCB Size: 4.9×2.7cm/1.93×1.06inch Clap Sound control range : around 4m The device is driven by a programmed micro-controller that detects loud noises. The on board microphone picks up on these noises (claps). When a single clap is detected, a countdown begins, and the device waits for another clap. If another clap is detected within a short period after the first clap, then the relay will turn on, and stay on until another two claps are detected.
