But what if you want a small matrix that’s actually a big matrix in disguise? For that, you’ll want to follow [elliotmade]’s lead and incorporate fiber optics into your LED matrix.

LED matrix cube project showcases customizable images using Raspberry Pi. Tutorial suggests costly Adafruit parts, but cheaper alternatives are available from AliExpress. Explore more Raspberry Pi ...

The LED panel in question is housed ... We’re not entirely sure how the matrix is driven — we’d love to see a circuit diagram — but it looks like it’s some kind of strange, non-scanning ...