SW 420 Normally Closed Vibration Sensor Module
SW 420 Module Used for various vibration-triggered functions, including theft alarms, smart car alarms, earthquake alarms, and motorcycle alarms.
Compared to normally-open vibration sensor modules, this module offers a longer vibration trigger duration and can drive relay modules.
Module Features:
1. Utilizes our company’s SW-420 normally-closed vibration sensor.
2. Comparator output: Clean signal, good waveform, and strong drive capability exceeding 15mA.
3. Operating voltage: 3.3V-5V.
4. Output type: Digital switch output (0 and 1).
5. Mounting screw holes for easy installation.
6. Small PCB size: 3.2cm x 1.4cm.
7. Uses a wide-voltage LM393 comparator.
Module Usage Instructions:
1. When the product is not vibrating, the vibration switch is closed, the output output is low, and the green indicator light is on.
2. When the product is vibrating, the vibration switch is instantly disconnected, the output output is high, and the green indicator light is off.
3. The output can be directly connected to a microcontroller, which can detect the high and low levels to detect vibration and provide an alarm.
This module can be used with arduino development board programming
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