1PCS TEJIATE High Quality SW-420 Normally Closed Alarm Vibration Sensor Module Vibration Switch SW420

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USES:
Used to trigger the effect of various vibration, reported the theft alarm, 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
The module features:
1, this company produces the SW - 420 normally closed type vibration sensor,.
2, the comparator output, signal clean, good waveform, driving ability is strong, for more than 15 ma
3, the working voltage of 3.3 V to 5 V
4, output form: digital switch output (0 and 1)
5, equipped with fixed bolt hole, convenient installation
6, small board PCB size: 3.2 cm x 1.4 cm
7, use the LM393 wide voltage comparator
Module USES:
1, the product is not vibration, vibration switch is closed on state, output output low level, the green light is lit;
2, product vibration, the vibration switch instantaneous disconnection, output, output level green light is not bright;
3, output can be attached directly to the single chip microcomputer, through single chip microcomputer to detect the high and low level, thus to detect if there is a vibration environment, report to the police

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