NeoPixels, a type of LED strip with individually addressable pixels, are a firm favorite among creators of intricate light effects. They are popular for their versatility and the ease with which you can daisy-chain them. Although the protocol to drive these little LEDs can be rather tricky to implement due to tight signal timing constraints.…

NeoPixel Punk Console Drives WS2812s Using 555 Timers — Hackaday