Two-Wire NeoPixel WS2812 LEDs
Neopixel LEDs with only two wires?! Just data & ground? What kind of magic is this? This is my take on this hack that Parallax Propeller forum user “Tubular” posted about in 2014 (!) The trick is that the data line is carrying power, and a capacitor and Schottky diode are on the strip to [...]
[original story: Todbot]