See Changelog for changes.

doc/USBCommunication.txt describes the USB communication protocol between host and microcontroller.

doc/firmware-animation.txt describes the possible µC internal frames and animations/functions

doc/udev-access-rights.txt shows up the user access configuration for the USB devices

The firmware is based on the fornax LED cube V1.0,
for more information about the project visit http://leyanda.de