Anti theft system using LDR module, LASER diode and Arduino UNO
The Project
I created an Anti-Theft System using an LDR module, LASER diode, and Arduino Uno. The system uses a laser beam aimed at an LDR; if the beam is interrupted, it triggers an alert, indicating possible intrusion. Inspiration: Inspired by high-security laser alarm systems used in banks and museums, I wanted to design a low-cost version for homes and small businesses to enhance safety. Challenge: The toughest part was precisely aligning the laser with the LDR and ensuring stable detection without false alarms due to lighting changes. Applications: This system can be used for home security, locker protection, shop security, and even school projects demonstrating real-world applications of electronics and sensors.
About the team
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