This project presents the design and implementation of a secure and user-friendly RFID and keypad-based door lock system using Arduino The system integrates two authentication methods: RFID (Radio ...

A secure embedded system project that implements a password-protected door lock using an Arduino, 4×4 matrix keypad, 16×2 LCD, and a servo motor. The system provides real-time user feedback, limited ...

Abstract: Today, installing a home security system is a critical study in implementing cutting-edge technology to attain this purpose. One of the most useful technologies to allow remote monitoring of ...

Here is the circuit diagram of Electronic code lock system using 8051 microcontroller. It is very useful at residential places to ensure better safety. This system demonstrates a circuit named ...