It’s a significant update. The Arduino UNO and Arduino Mega 2560 update the Duemilanove and Mega respectively. They now use an ATMega8U2 instead of an FTDI USB to serial converter chip.

The cube itself is controlled with an Arduino Mega 2560. For each frame in memory ... as well as sine waves in 1, 2 & 3 dimensions (seen in the video). In this cube the supporting structure ...