Door Security System

For this project specifically, the objective is to produce a door security system by initially having 4 digits password to open the door. The microcontroller will be interfaced with the 16x2 LCD Display and 4x4 Matrix Keypad. The security system's input will be the 4x4 Keypad, and the output will be displayed on the 16x2 LCD Display. Throughout this project, Mbed Online Compiler software is used to write the C/C++ program, compile and build the .bin file.
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