Adraxx CZN-15E Mic based Sound Sensor Module Electronic Components Electronic Hobby Kit

CZN-15E Mic based Sound Sensor ModuleSize - 3.2x1.7CM,Operating Voltage - 3.3V to 5V,Binary Output,Adjustable Sensitivity This CZN-15E Electret Microphone based module can be used to detect sound intensities using an adjustable potentiometer to adjust the trigger level. It's output is binary, the output goes High if sound intensity level crosses preset trigger level.