Sound Detection Sensor Module

1 can detect the intensity of the sound environment, use 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
2 the sensitivity adjustable digital potentiometer to adjust (blue)
3 working voltage of 3.3 V to 5 V
5 output form digital switch output (1 s and 0 s + v)
6 sets of the fixed bolt hole, convenient installation
7 small board PCB size: 3.4 cm * 1.6 cm