Build Flash Belt May 2026

1. Introduction: What is a Flash Belt? A Flash Belt is a wearable electronic device—typically worn around the waist—that contains a series of high-brightness LEDs programmed to light up in sequence, flash in patterns, or react to sound/motion. Popularized by rave culture, cyberpunk fashion, theatrical performances, and safety gear for nighttime runners, the flash belt combines fashion with functional electronics.

void loop() // Pattern 1: Red chase for (int i = 0; i < NUM_LEDS; i++) leds[i] = CRGB::Red; FastLED.show(); delay(30); leds[i] = CRGB::Black; build flash belt

delay(1000);

// Pattern 2: Rainbow chase for (int i = 0; i < NUM_LEDS; i++) leds[i] = CHSV(i * 8, 255, 255); FastLED.show(); delay(20); if (i > 0) leds[i-1] = CRGB::Black; flash in patterns