As stated in the title, this is an introductory article... but the information is good and HaaTa has excellent street cred as a keyboard hacker FYI here's the

As stated in the title, this is an introductory article... but the information is good and HaaTa has excellent street cred as a keyboard hacker FYI here's the github repo for his controller firmware: https://github.com/kiibohd/controller https://github.com/kiibohd/controller TMK's firmware is also excellent if you are interested in this sort of thing: https://github.com/tmk/tmk_keyboard https://github.com/tmk/tmk_keyboard