Neopixel strip control without delays

[alto777]

@Kothe

        tira.setPixelColor(0, 0, greenColor, 0);
        tira.setPixelColor(1, 0, greenColor, 0);
        tira.setPixelColor(2, 0, greenColor, 0);
        tira.setPixelColor(3, 0, greenColor, 0);
        tira.setPixelColor(4, 0, greenColor, 0);
        tira.setPixelColor(5, 0, greenColor, 0);
        tira.setPixelColor(6, 0, greenColor, 0);
        tira.setPixelColor(7, 0, greenColor, 0);
        tira.setPixelColor(8, 0, greenColor, 0);
        tira.setPixelColor(9, 0, greenColor, 0);
        tira.setPixelColor(10, 0, greenColor, 0);
        tira.setPixelColor(11, 0, greenColor, 0);
        tira.setPixelColor(12, 0, greenColor, 0);
        tira.setPixelColor(13, 0, greenColor, 0);
        tira.setPixelColor(14, 0, greenColor, 0);

On your next break from making progress with you project, take a moment to learn or review how to use for loops.

Reading your code makes my wrists ache!

for (int N = 0; N < 15; N++)
      tira.setPixelColor(N, 0, greenColor, 0);

HTH

a7