Overview This project contains assembly code (lab2.asm) for interfacing a keypad with an 8051 microcontroller, using the 8255 PPI (Programmable Peripheral Interface). The code handles reading inputs ...

Code Description The program is written in Assembly Language, specifically designed for the 8051 microcontroller. It initializes the keypad and display units, configures ports, and sets up the 8255 ...

We will implement this all in our code, and make the connection on breadboard. Also check how to interface 4x4 keypad with other Microcontrollers: Keypad Interfacing with Arduino Uno 4x4 Matrix Keypad ...