He’s using an Arduino Mega to drive the 7x7x7 cube and manages to squeeze out what he calls 142 frames per second with the setup ... a more entry-level Arduino LED cube this 4x4x4 project ...

There was a point in time, excruciatingly brief, in which desktop computers often had a large “TURBO” button on their ... the state of the Turbo LED with an Arduino Pro Mini.