A larger matrix like this 16 x 16 x 16 LED build, has a total of 4096. This would be a nightmare to drive with plain RGB LEDs, even with cunning multiplexing, but luckily you can buy indexable ...

Or you can go back to basics and build this reflective RGB sensor from an LED and a photocell. The principle behind [TechMartian]’s approach is simplicity itself: shine different colored lights ...

The best LED strip lights can truly transform any space, softly illuminating any area, be it your office, desk, or kitchen. If you really want to make an impact, RGB lights can enhance your gaming ...