The cube itself is controlled with an Arduino Mega 2560. ... 2 & 3 dimensions (seen in the video). In this cube the supporting structure was made 0.9 mm galvanised steel wire, ...

PWM pins work the same way across all Arduino boards, so you don't need to go out of your way to buy a Mega if you already have a board supporting PWM. On the Uno, Nano, and Mini, the PWM pins are ...