MICROPHONE SOUND SENSOR MODULE KY038 FOR ARDUINO IN PESHAWAR

  "Microphone sound sensor module KY-038 for Arduino: LM393 main chip Electric condenser microphone Features Single channel signal output Low level output signal used for sound control light Great module for sound alarm system Working voltage: DC 4-6V Interface definition: AO: analog output sensor GND: ground VCC: Power supply input range: 3V-24V. DO: Digital Output (comparator output) Two red LED indication: POWER and SENSOR. POWER: Power is off. SENSOR: When the microphone senses sound reaches a certain value, this LED light."