Sound Detection Sensor

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There is a mounting screw hole 3mm. Use 5v DC power supply There are threshold level output flip. Real-time output of the microphone voltage signal / DO. when the sound intensity r eaches a threshold The output high and low signal threshold - Sensitivity potentiometer adjustment. Application: Microphone sound detection Can detect ambient sound intensity, the use of note: the sensor can only identify the presence of (according to the principle of vibration) of sound does not recognize the sound or the size of the particular frequency of sound. Sensitivity adjustable Working voltage:DC 4-6V The output form Digital switch output (1 s and 0 s + v) Equipped with a fixed bolt hole, convenient installation Size:34mm*16mm*15mm(length*width*height) Show more