Experimental study demonstrates enhanced security in door access control using light technology, suggesting innovative applications for smart homes.
The modern world requires the implementation of security systems and structures because of the rise in theft and unauthorized access. Although most traditional locks have been in use for a long time, it is doubtful how long they will last against different types of attacks. For convenience, comfort, and security, the Smart Door Lock System with Light Fidelity (Li-Fi) technology was developed. Through visible light communication (VLC), this technology unlocks the door when a smartphone torch emits a specific on-off light pattern that is detected and decoded for access control On-Off Keying (OOK). The ESP32 microcontroller and a mobile application serve as the foundation for this low-cost, easily assembled, and eco-friendly solution. Its low latency, excellent reliability, and strong resistance to outside interference make it ideal for smart-home systems and secure facilities.
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Chaluvaraju et al. (2026) studied this question.
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