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 ...

This is a basic smart lock system made using Arduino, a keypad, a 16x2 LCD screen and the code written in c++. When the user enters the correct password, it shows "Access Granted". If the wrong ...

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 ...