For instance, a decent PS/2 to USB adapter will cost you as much as the Zero did, if not more. But if you just need to drive your Pi Zero from your old Model M (we hear you!) you’ve got to do it ...

The pointer shipped with a then-standard PS/2 port but also worked with USB when using the included adapter. What you may not ...

[danjovic] has you covered with the open-source EXPS/2 keyboard adapter. It will allow you to connect either a PS/2 keyboard or a USB keyboard in fallback mode to the Expert using an ATMega328P ...

Your mouse once understood two protocols. What's your excuse? Before Bluetooth and USB, computers had PS/2 ports. Microsoft ...