SW-420 Normally Closed Alarm Vibration Sensor Module

1, the use of the company produced SW-420 constant-closed vibration sensor,.
the comparator output, the signal is clean, the waveform is good, the drive ability is strong, surpasses 15mA
Working voltage 3.3v-5v
Output form: Digital switching output (0 and 1)
Fixed bolt hole for easy installation
small board PCB size: 3.2cm x 1.4cm
7. Using wide voltage LM393 comparator