A biometric door lock system using Arduino Nano, a solenoid-based lock, and smartphone fingerprint authentication over Bluetooth. This project implements a fingerprint‑based door locking mechanism ...
Project Description A secure door lock system using Arduino Uno, RFID (MFRC522), and a 4x4 Matrix Keypad. Authorized users can unlock the door with either an RFID tag or a PIN code. Features 🔒 Dual ...
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