Computers like the Raspberry Pi are about the size of a credit card and have computing power on the order of full-sized PCs from a few decades ago. The Arduino is no exception to this trend ...

He’s using an Arduino Mega to drive the 7x7x7 cube and manages ... as well as sine waves in 1, 2 & 3 dimensions (seen in the video). In this cube the supporting structure was made 0.9 mm ...