KY-037 - HIGH SENSITIVITY SOUND MICROPHON SENSOR DETECTION MODULE ARDUINO

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Size:32mm*17mm*8mm(length*width*height) Main chip:LM393 Electret condenser microphone Working voltage: DC 46V Signal output indication Single channel signal output The output effec tive 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 Show more