The newly released Arduino Leonardo has a few very interesting features, most notably the ability to act as a USB keyboard and mouse thanks to the new ATmega 32U4 microcontroller. This feature isn’t ...

The project presents the code that is used to perform keyboard polls, character translation, and management of LOCK keys while showing the results in a LCD. The project presents the code that is used ...

The Coleco Adam is one of the great might-have-beens of the 8-bit home computer era, with an impressive bundle and on-paper spec let down by bugs, hardware issues, and poor availability. It’s ...

Described here are the construction details of a universal serial bus human interface device (USB HID) external keyboard for devices running on Windows and/or Android operating systems. The keyboard ...