Building a MIDI device is always a great microcontroller project, and nearly everyone has an old toy keyboard lying around in the back of a closet or in the basement. [JenShen] decided to take one … ...

Here at Hackaday we’re big fans of device-reuse, and what [arturo182] has done with the Blackberry Q10’s keyboard is a fantastic example. Sometimes you’re working on a portable device and ...

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 Repetition: When ...

BC6xxx and BC759x series chips share a unified single line UART keyboard interface. This library can be used for the following chips: BC6301 -- 30-key key matrix interface. BC6040 -- 40-key key matrix ...

The third-generation computer is the first computer that allows users to interact with keyboards and monitors. A keyboard is a hardware device used to enter letters, numbers, special characters, and ...