IMPORTANT NOTE: For AVR based systems, avr-gcc 4.8.x is supported and tested. This means Arduino 1.6.5 and later. FastLED 3.4 This is a library for easily & efficiently controlling a wide variety of ...

I saw in the file that the Fast.LED fork from @facchinm should be compatible with Arduino UNO R4 WiFi, but when I tried it, it didn't work. It always gives this error: „This platform isn't recognized ...