ky – 037 3pin Voice Sound Detection Sensor Module Intelligent Smart Vehicle Robot Helicopter Airplane Aeroplane Car for arduino DIY KIT

Size:32mm*17mm*8mm(length*width*height)

Main chip:LM393, Electret condenser microphone

Working voltage: DC 3.3-5V

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 0.5M