> Tricky though, because it would have to talk to the keyboard, not the computer. No it wouldn't. It works to press the modifier on one keyboard and the other

> Tricky though, because it would have to talk to the keyboard, not the computer. No it wouldn't. It works to press the modifier on one keyboard and the other keys on another keyboard. Source: I have a set of 3 footpedals that I have as Ctrl, Shift, and Meta.