Sorry for the simple question,

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1

Sorry for the simple question, but how do I light a full strip of NeoPixels a single color? Is there a FastLED.setStrip command? Is there any documentation that shows me all the functions that are available?

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http://fastled.io/docs/3.1/

After that, have a look at the files themselves, in particular colorutils.h and lib8tion.h.

Also:
fill_solid(leds,NUM_LEDS, 0xff00ff); //An RGB value
fill_solid(leds, NUM_LEDS, CRGB(50,0,200));
fill_solid(leds, NUM_LEDS, CHSV(150,255,200));

Then of course, there’s gradients, blending, rainbows, trig and more. .