This is a look at the current state of serially addressable RGB LEDs, and what the future might have in store. The WS2812 and WS2812B LED has four pins: power, ground, data in, and data out.

As is so often the way, the build relies on tiny WS2812B-compatible LEDs in a 1 mm x 1 mm form factor. They’re mounted on a series of teeny interlocking PCBs that come together to build a cube ...

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