4×4 Matrix Keypad Interfacing with 8051 Microcontroller

Project Information

Keypads serve as fundamental input devices extensively utilized in a diverse range of electronics and embedded projects. They play a pivotal role in capturing numerical and alphabetical inputs, feeding the data into systems for subsequent processing. In this comprehensive tutorial, we delve into the interfacing of a 4×4 matrix keypad with the 8051 microcontroller, enabling seamless integration and utilization of keypad inputs for various applications.