Can I read Keypad Scanning for 7-Segment Display on EtoBox?

Keypad Scanning for 7-Segment Display by Elke Radistya is a document available to read on EtoBox.

What is Keypad Scanning for 7-Segment Display about?

This C code defines a function to scan a 4x4 keypad and display the pressed keys on a 7-segment display. The keypadScanning function uses port manipulation to enable one row at a time using PORTA pins as outputs. It checks for pressed keys by reading the PINA pins as inputs and returning a code corresponding to the pressed key. The main function sets up PORTA and PORTC, calls keypadScanning in a loop and displays the output on the 7-segment pins.

Author

Elke Radistya

Language

EN