Here’s a story that may be familiar: [der-b] is a Linux developer who is forced two carry two laptops — one for work with unavoidable work stuff on it, and one for software development. Unfortunately this leads to keyboard confusion between the two when one is connected to an external display.
This is a companion discussion topic for the original entry at https://hackaday.com/2024/05/10/diy-keyboard-can-handle-up-to-three-host-devices/