http://danielhassel.de/projects/led-matrix-display/ https://www.youtube.com/watch?v=nYy-JrZjnAE
https://wiki.das-labor.org/w/Borg3d https://www.youtube.com/watch?v=JYfji6o3i-M
https://www.instructables.com/id/AuraCube-8x8x8-Compelete-Assembly-Guide/ https://www.youtube.com/watch?v=X-e09CkEV08
https://lispol.com http://www.electropark.pl/ https://mselektronik.pl
Giada http://www.assured-systems.com/uk/product/ni-z8300ulvl/
http://www.assured-systems.com/uploads/media/products/giada/ni-z8300ul.pdf
http://atnel.pl/
Atmega 88-20PU Atmega 328P Atmega 168
http://www.btc.pl/ http://www.kamami.pl/ http://mikrokontroler.pl/ http://piccolodsp.pl/ http://stm32.eu/ http://margines.pl/