NeoPixels are Adafruit’s version of WS2812, WS2811 and SK6812 SMD LED chips. These incredibly bright, individually controllable, colourful LEDs are comprised of a Red, Green, and Blue LED (and sometimes white!) alongside a driver chip in a single surface mount package. These are controlled using a single data line and a very timing specific protocol. Want to learn more about Adafruit NeoPixels? Check out their NeoPixel Uberguide.