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.

At this point it might be tempting to argue that it would have been so much simpler to use addressable LED’s, such as the WS2812B or the APA102C. You can drive them using a more basic micro ...