About this document
4x4 Keypad Interfacing with 8051 by Vishal Sharma is a document available to read on EtoBox.
The document defines code for an LCD and keypad interface. It connects the LCD to port 1 and keypad to port 2. It initializes the LCD and defines routines to write characters and delay. It also defines keypad buttons from 1-12 mapped to ports and jumps to corresponding routines on button press. The main routine initializes everything and loops continuously checking the keypad ports.
- Author
- Vishal Sharma
- Language
- EN