This library features a variety of blinken effects for the WS2811/WS2812/NeoPixel LEDs. It is meant to be a drop-in replacement for the Adafruit NeoPixel library with additional features. You can search for WS2812FX in the Arduino IDE Library Manager or install the latest (or development) version manually. More complex effects can be created by dividing your string of LEDs into segments (up to ten) and programming each segment independently. Use the segment() function to program each...
Lightweight matrix lib, especially good for micro-blaze or other embedded processor which needs to do matrix operations. Supports Add, Subtract, Multiply, Transpose, and Invert (Cholesky Method). Compiles to 15kbs using -0s and is ISO C compliant.