HackerTube / Video
So how does a PS/2 keyboard interface work?
Ben Eater
Ben Eater explains how the PS/2 keyboard interface works, covering its clocked serial protocol and scancodes. He builds up the hardware-level understanding needed to read keypresses.
HN commenters point to it as the clearest explanation of the PS/2 protocol, usually when keyboard interfaces come up.
4 Hacker News mentions · 2021–2021