ANGEEK KY-037 4-Pin Voice Sound Detection Sensor Module Microphone Transmitter Smart Robot Car for Arduino DIY Kit Pack of 5

• With LM393 and pot
• High Sensitivity
• Use the DC 5V power supply.
• There is analogue output

KY-037 sound detection module has two outputs, AO analogue output which gives real-time output voltage signal of the microphone and DO output when the sound intensity reaches a certain threshold, the output high and low signal. The threshold sensitivity can be adjusted via potentiometer on the sensor. Features: 100% Brand New. Size:32mm*17mm*8mm(length*width*height) Main chip: LM393, Electret condenser microphone. Working voltage: DC 4-6 V. Signal output indication Single channel signal output The output effective signal is low level When there is sound, outputs low level and the signal light Can be used for Acoustic control light , give sound and light alarm working with Photosensitive sensor ,and sound control, sound detect Circuit board output switch quantity Note: The maximum induction distance is 0.5. Package includes: 5 x microphone sensor detection modules.