5-Pack Vibration Sensor Modules for Security

28.99 

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🏷️ Condition: New

🚚 Ships from: HK Warehouse – Hong Kong (China)

↩️ Easy Returns within 30 days of receipt

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Enhance your security systems with this 5-pack of SW-420 vibration sensor modules, each featuring a compact blue PCB measuring 3.2cm x 1.4cm. These normally closed sensors operate between 3.3V and 5V, utilizing the LM393 wide voltage comparator for a clean digital output with strong drive capacity exceeding 15mA. When no vibration is detected, the green LED lights up with a low-level output; during vibration, the output switches to high, turning the LED off. Designed for easy installation with a fixed bolt hole, these modules are ideal for theft alarms, earthquake detection, and vehicle security applications.

In stock

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