Adding NeoPixels / WS2812 LEDs to blink(1)
You may not have known, but blink(1) USB notification LEDs have a secret: they can drive 16 extra LEDs in the form of “NeoPixel” WS2812 LEDs. This is what was behind the “blink(16)” project. If you take apart a blink(1), you’ll see it has three tiny plated holes. These are the three needed by WS2812 LEDs: [...]
[original story: Todbot]