Hackaday

Decoding The PS/2 Keyboard Protocol Using Good Old Fashioned Hardware

1987 was a glorious year. It brought us the PS/2 keyboard standard that’s still present on many a motherboard back panel to this day. (It also marked the North America/Europe release of The Legend of ...
Hackaday

One-handed PS-OHK Keyboard Doesn’t Need Chording Or Modifier Keys

Most one-handed keyboards rely on modifier keys or chording (pressing multiple keys in patterns) to stretch the functionality of a single hand’s worth of buttons. [Dylan Turner]’s PS-OHK takes an ...
PC Magazine

Enhanced keyboard

A 101-key keyboard (U.S. layout) from IBM that superseded the PC/XT and AT keyboards. Introduced in 1985 as the Model M and standard on IBM's PS/2 computer, the Enhanced keyboard was used for more ...