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 ...

This project is a smart security system that unlocks a door using a 4-digit password entered via a keypad. Built using Arduino Uno, this simple prototype simulates a secure door lock system ideal for ...

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 ...

Abstract: This research study intends to enable additional security measures that may be applied in homes and workplace. The A2-way verification approach is used in the proposed system. Initially, the ...