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 ...

This Arduino application was developed during Integration 3 (Academic Year 2024–2025, KdG University). The goal was to build the embedded device logic for the Smart Lock system. The Arduino scans RFID ...

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 ...