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Vibration Alarm Sensor Module for Arduino
Model: SW-420- Quantity: 1- Material: PCB board- Working voltage: 3.3V~5V- Current: > 15mA- Uses SW-420 normally closed vibration sensor module- Digit switch output: 0£¬ 1- Uses LM393 comparator- Green light on when vibration switch is under closed conduction state and the output terminal is low- Green light off when vibration switch is disconnected and the output terminal is high - Great for microcontroller experiment- Output terminal can be connected to microcontroller to test electric level and if the environment is in vibration£¬ alarm function- Suitable for a variety of vibration triggering functions£¬ theft alarm£¬ smart car£¬ earthquake alarm£¬ motorcycle alarm£¬ etc.