Jason Coon on Twitter: "My LED Mapper app now supports gradient color palettes! Also has interactively editable pseudo #FastLED code for the sample patterns. Supports conversion to/from grid layout, XY coordinates, #Pixelblaze
How to Control WS2812B Addressable RGB LEDs using Arduino - Circuit Geeks
Creating Color Palettes | Simple and Beautiful NeoPixel Holiday Lights | Adafruit Learning System