The WS28xx offerings place a microcontroller inside an RGB LED, allowing them to be individually ... by simplifying the driver to just one transistor, three resistors, and a capacitor.

What’s the smallest RGB LED cube? A 1x1x1 cube is easy ... The LEDs are driven by an Arduino Nano. If you’d like to build your own, or you’re a masochist for dead bug soldering, you can ...