R-doorlock is an advanced NFC-based smart lock system designed for secure and convenient access control. It allows users to unlock doors using NFC cards, smartphones, or compatible devices, eliminating the need for traditional keys. With real-time access management, administrators can grant or revoke permissions remotely. The system seamlessly integrates with IoT platforms, offering entry logs, instant alerts, and robust security features. Reliable and salable, R-doorlock is an ideal solution for homes, offices, and businesses seeking modern, efficient access control