As near as we can tell, the popular WS2812 individually addressable RGB LED was released to the world sometime around the last half of 2013. This wasn’t long ago, or maybe it was an eternity ...
It uses the extremely common WS2812b individually controllable RGB LEDs to surround the wall ... number of LEDs it’s able to control; a 50 LED strip only eats up about 1.5% of the Pi’s CPU.
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