It’s not too much of a chore to find a keyboard that’ll talk to a PC-AT, but the PC-XT had an entirely different protocol, not to mention that chunky 5-pin DIN connector.

The keyboard employs Kailh's Low Profile Choc V1 mechanical switches and an Arduino Pro Micro microcontroller board. 48 mechanical switches topped with MBK's Choc low-profile keycaps.