Hyper 7 Keyboard
Hyper 7 Keyboard is a Do It Yourself keyboard.
Hyper 7 is inspired from Space-Cadet Keyboard.
[see Space-Cadet Keyboard]
Total key count: 213.
Also note the extremely tiny space bar.
See also: IBM Selectric and Keycaps
Lisp Machine Keyboards
One Thousand Keys
If you have a question, put $5 at patreon and message me.