ขาย ☼3Pcs High Sensitivity Sound Detector Module Voice Sensor For Arduino ราคาที่ดีที่สุด

Main chip: LM393, Electret condenser microphone Working voltage: DC 3.3V-5V Package Included : 3 X 3Pin Microphone Sensor Size : 32mm*17mm*15mm(length*width*height) Note: The Maximum induction distance is 0.5M Features: 1,signal output indication 2,single channel signal output 3,the output effective signal is low level 4,when there is sound,outputs low level and the signal light 5,can be used for Acoustic control light , give sound and light alarm working with Photosensitive sensor ,and sound control,sound detect 6, Circuit board output switch quantity