SW420 vibration sensor module
Normally closed SW420 vibration sensor module
The SW-420 normally closed vibration sensor is used for various vibration triggering effects, theft alarm, smart car, earthquake alarm, motorcycle alarm, etc. Can drive the relay module sensor. Specially set M3 fixed mounting hole, adjustment direction and fixation are convenient and easy to use, use wide voltage LM393 comparator, clean signal, good waveform, strong driving ability, more than 15mA, with adjustable precision potentiometer to adjust sensitivity.
Parameter:
Working voltage: 3.3V-5V
Output form: digital switch output (0 and 1) with fixing bolt holes for easy installation of small PCB
Size: 3.2CM X 1.4CM
Instructions for use:
1. Connect VCC and GND, the module power indicator will light up.
2. When the product is not vibrating, the vibrating switch is closed and conducting, the output terminal output is continuous, and the green indicator light is on;
3. When the product vibrates, the vibration switch will shift instantly, and the output terminal will output high deviation.
The green indicator light is off
4. The output terminal can be directly connected with the single-chip microcomputer, and the higher level can be detected by the single-chip microcomputer, and the loop can be detected by initialization. Whether there is vibration in the realm, play an alarm role.
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