0 KWD 0.000
SW-420 Normally Closed Alarm...
SW-420 Normally Closed Alarm Vibration Sensor Module Vibration Switch
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The module features:
1, the company produced SW-420 normally closed type vibration sensor,.
2, the comparator output signal waveform, clean, good, strong drive ability, more than 15mA
3, working voltage 3.3V-5V
4, the output: digital switch output (0 and 1)
5, a fixed bolt holes, easy to install
6, small PCB size: 3.2cm x 1.4cm
7, the use of wide voltage comparator LM393
Module for use:
1, the product is not vibration, vibration switch is in the closed conducting state, the output low, the green indicator light;
2, product vibration, vibration switch is disconnected instantly, output end to output the high level, the green indicator light is not bright;
3, the output can be directly connected with the MCU, the MCU to detect high level, thereby detecting the environment if there is shock, play the function of alarming
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