SW 420- A Vibration Sensor Module Guide
Fig 1: A Normally closed vibration sensor module for Arduino and alarm systems. It is a digital vibration sensor module featuring an SW-420 Vibration Sensor and an LM393 Comparator IC. The cost-effective vibration sensor module also has a 10K potentiometer, essential in modifying the sensitivity. Furthermore, the LM393 voltage comparator is ...
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