Sound Sensor Detection Module LM393 Sound Detection Sensor For Arduino

Sound Sensor Module 3 pin Voice Sound Detection Sensor Amplifier LM393 Electret Microphone DIY Kit First, the size: length 32mm X width 17mm X height 15mm Second, the main chip: LM393, electret microphone Third, the working voltage: DC 4 ~ 6 volts Fourth, the characteristics: 1, with a signal output indication. 2. Single signal output. 3. The output valid signal is low. 4. When there is sound, it outputs low level and the signal light is on. 5, can be used for voice control lights, with light sensor to do sound and light alarm, as well as sound control, sound detection occasions. 6, the circuit board output switch!