An Arduino based project to convert a broken ZX Spectrum computer in to a USB keyboard.
The full background to this is on by blog at http://www.agm.me.uk/blog/2014/07/zx-keyboard.php The master source repository is here at https://github.com/alistairuk/ZX-Keyboard The original build instructions are at http://hackaday.io/project/2076-ZX-Keyboard