If you’re looking for a more entry-level Arduino LED cube this 4x4x4 project is just the thing. The cube is able to process 142 frames per second, that is, 1 frame every 7 milliseconds.

In this particular case, it’s a DIY USB polygraph-like machine by [Juangg] using an Arduino and sensors on the hardware side, and a Python front end for data visualization. It’s even complete ...