[DIY GUY Chris] has done the latter, producing a tiny LED cube ... the faces of the cube. Running the show is an ATmega328P, the same microcontroller you’d find in an Arduino Uno.

[Asher Glick] wrote in to share a project he has been working on with his friend [Kevin Baker], a 4x4x4 RGB LED ... cube has none of these extra components, solely relying on 16 of the Arduino ...

Arduino enthusiasts ... like the iconic cube, except that each section is lit by LEDs instead of covered with a sticker. Those are WS2812B individually-addressable RGB LEDs controlled by an ...

If you’d like to get more specific, Michael Klements’ Arduino-based scanner lets you ... along with a 16×2 panel. An optional RGB LED attempts to copy the shade of whatever object you ...