Inhouse product
Vibration Sensor SW-420
SW-420 NC Type Vibration Sensor Module Vibration Switch for Arduino Smart Car. When the module is not vibrating, the vibration switch has been set to low output state output, the green indicator light is closed. The product vibrates, vibration switches momentary disconnect, output high drove, the green light does not light up. The output can be connected directly to the microcontroller, which detects the high and low levels, so as to detect whether the environment emitted the vibration.