The UltiController 2.x electronics are released under GPLv2 license. And are based on the origonal UltiPanel design by Bernard Kubicek at http://www.thingiverse.com/thing:15081
The UltiController 2.x electronics are released under GPLv2 license. And are based on the origonal UltiPanel design by Bernard Kubicek at http://www.thingiverse.com/thing:15081