snow wrote:It's possible to use FastLED library instead of Adafruit_NeoPixel in your sketch?
FastLED supports basically all types of LED controllers, including NeoPixel ws28121B
consider to use fastled lib (to play with?) as an alternative.
i found color-palettes very playful. you can change colors without chaning code for animation...
may have a look here and in the demo
https://github.com/FastLED/FastLED/wiki ... r-palettes