delay(1000);
delay(500);
// Pattern 3: Strobe flash belt (all white) for (int i = 0; i < 10; i++) fill_solid(leds, NUM_LEDS, CRGB::White); FastLED.show(); delay(50); fill_solid(leds, NUM_LEDS, CRGB::Black); FastLED.show(); delay(50); build flash belt