deskthority

Suka,

Thank you for sharing your keyboard layout :) .

Is there a way to lock layers? For example, lock the symbols layer to write a long equation.
If so, how are the layers locked?

How about foot switches to select layers? They could be wired or battery powered wireless. That way you wouldn't ...

Very interesting article.
Have you considered the requirements for a musical keyboard instrument?
I learned piano in my early years and have recently played with concertinas and melodeons, but with your ideas on ergonomics, you should be able to come up with something unusual but easy to play ...