larm, intelligent car, earthquake alarm, motorcycle alarm, etc.
This module is compared with the normally open type vibration sensor module, vibration trigger for longer periods of time, can drive the relay module
1, the company produced normally closed type vibration sensor SW-420,.
2, the comparator output, signal clean, good waveform, driving ability is strong, for more than 15 ma
3, the working voltage of 3.3V to 5V
4, output form: digital switch output (0 and 1)
5, has a fixed bolt hole, convenient installation
6, small board PCB size: 3.2cm x 1.4cm
7, use the LM393 wide voltage comparator
Module directions for use:
1, product no vibration, vibration switch is closed on state, the output terminal output low level, the green light is lit
2PCS SW 420 Motion Sensor Module Vibration Switch Alarm Sensor for Arduino