In this early demo by Douglas Engelbart, he uses a 5 key chorded keyboard and a mouse.
And I started to think about the idea with a chorded keyboard, and I started to wonder what I would need to play with this idea.
And since the most logic and affordable keyboard that is able to handle chords is a music keyboard with some kind of midi interface (usb midi?).
Is it possible to map a usb midi keyboard so it would output "ascii characters"? Maybe simulate a Braille keyboard?
More or less can I write a normal text document with the usb midi keyboard on my Linux computer in the same way as he uses his chorded keyboard in the demo?