The Secure Door Lock System is a microcontroller-based smart security solution that aims to replace traditional key locks with a more intelligent, automated, and secure alternative. Designed using the ...

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 ...

Abstract: As more households employ domestic help, the houses need security systems, especially those which are efficient but user friendly. Previous biometric systems which use fingerprint scan offer ...