- http://github.com/humblehacker
- http://www.humblehacker.com/keyboard/
- http://geekhack.org/showwiki.php?title=Island:6292
- http://geekhack.org/index.php?topic=22780.0
- https://github.com/benblazak/ergodox-firmware
- https://github.com/cub-uanic/tmk_keyboard
- http://deskthority.net/workshop-f7/my-diy-keyboard-collection-or-how-i-became-a-kb-geek-t2534.html
- https://github.com/frobiac/adnw
- https://github.com/BathroomEpiphanies/AVR-Keyboard
- http://deskthority.net/wiki/HID_Liberation_Device_-_DIY_Instructions
- http://deskthority.net/wiki/Phantom
- http://deskthority.net/workshop-f7/is-remapping-a-usb-keyboard-using-teensy-possible-t2841-30.html
- http://geekhack.org/index.php?topic=19458.0
Great resource of vintage keyboard protocol information and code
A lots of vintage keyboard protocol supports