// Fallout New Vegas "WELCOME" Sign
// ESP32-C6
// 6 solid LEDs + 1 flickering LED (last letter)

const int solidPins[] = {0, 1, 2, 3, 4, 5};  // W, E, L, C, O, M
const int flickerPin = 6;                       // E (final letter)
const int NUM_SOLID = 6;

void setup() {
  for (int i = 0; i < NUM_SOLID; i++) {
    pinMode(solidPins[i], OUTPUT);
    digitalWrite(solidPins[i], HIGH);
  }
  pinMode(flickerPin, OUTPUT);
}

void loop() {
  int r = random(100);

  if (r < 15) {
    // Full blackout
    analogWrite(flickerPin, 0);
    delay(random(100, 500));
  } else if (r < 25) {
    // Rapid strobe burst — struggling to ignite
    for (int i = 0; i < 3; i++) {
      analogWrite(flickerPin, random(150, 255));
      delay(random(20, 40));
      analogWrite(flickerPin, 0);
      delay(random(20, 40));
    }
  } else if (r < 40) {
    // Dim flicker
    analogWrite(flickerPin, random(30, 80));
    delay(random(30, 100));
  } else if (r < 55) {
    // Medium brightness stutter
    analogWrite(flickerPin, random(100, 180));
    delay(random(20, 60));
  } else {
    // Mostly on but sickly (dying bulb)
    analogWrite(flickerPin, random(140, 200));
    delay(random(50, 150));
  }
}