Vim on a Mechanical Typewriter - qqrs (http://qqrs.github.io/blog/2013/05/03/vim-on-a-mechanical-typewriter/)
Hope it hasn't been posted yet :-[
Cool project!
Thanks for sharing!
you fool, THIS is how it is done right (and 30 years ago)...
(http://www.z80.eu/images/amstradpcw.jpg)