Microphone Sound Detection Sensor Module


9 in stock


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 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


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