Microphone sensor KY-037

Description

Features: 100% Brand New. Size:32mm*17mm*8mm(length*width*height) Main chip:LM393, Electret condenser microphone Working voltage: DC 4-6V Signal output indication Can be used for Acoustic control light , give sound and light alarm working with Photosensitive sensor ,and sound control, sound detect Single channel signal output The output effective signal is low level When there is sound, outputs low level and the signal light Circuit board output switch quantity Note: The Maximum induction distance is 0.5