Sure, the physical build itself looks great, but it’s what [Michael] did with the firmware that impresses us the most. He’s using an Arduino Mega to drive the 7x7x7 cube and manages to … ...

Posted in Arduino Hacks, LED Hacks Tagged cube, rainbow cube kit, rainbowduino, RGB LED, seeed studio, tlc5940 ← OsPID: The Open Source PID Controller Hackaday Links: January 5, 2012 → ...

This is a pure 3D display -- unfortunately done at a resolution of just 8 x 8 x 8. It's a hand-built LED cube created by Nick Schulze, powered by Arduino, and driven largely by Matlab.