(keypad: columns and rows switching) So now you can see how the button presses can be translated into electrical data for use with a microcontroller. We can now start the real experiment with as ...

Code Functionality Keypad Input: The code reads the input from a 4x4 keypad matrix. Keyboard Emulation: Based on the pressed key, the Arduino sends corresponding keystrokes to the computer. Keystroke ...

[Damian Peckett] has implemented an Apple ] [, its 6502 processor, and a cassette port, all on an Arduino Uno. If that wasn’t enough, he also uses a PS/2 keyboard for input and outputs analog VGA.

Overview The Arduino Keypad-LCD Controller is a project that utilizes an Arduino Uno R3, an LCD display, and a keypad to create an interactive user interface. This system allows users to input data ...

This Arduino BASIC interpreter will make a really fun one-day project if you’ve already got the parts on hand. [Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD, … ...