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 ...

The Arduino Mega's PWM pins are digital output pins located on D2 to D13 and D44 to D46, coming to a total of 15. While they function as normal digital pins that can switch a component either ...