const byte ledPin0 = 6;
const byte ledPin1 = 7;
const byte ledPin2 = 8;
const byte ledPin3 = 9;
const byte ledPin4 = 10;
const byte ledPin5 = 11;
const byte ledPin6 = 12;
const byte ledPin7 = 13;

const byte ledUpDown = 3;

const byte InterruptPin = 2;
volatile byte UpDown = HIGH;

const int numSequences = 4;
byte currentSequence = 0;

const byte sequences[][8] = {
  {B11111111, B01111111, B00111111, B00011111, B00001111, B00000111, B00000011, B00000001},
  {B00000001, B00000110, B00011000, B01100000, B00000000, B00000000, B00000000, B00000000},
  {B11100000, B00011000, B00000110, B00000011, B00000000, B00000000, B00000000, B00000000},
  {B11100000, B00011000, B00000110, B00000011, B00000011, B00000110, B00011000, B11100000}
};

void setup() {
  pinMode(ledPin0, OUTPUT);
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  pinMode(ledPin3, OUTPUT);
  pinMode(ledPin4, OUTPUT);
  pinMode(ledPin5, OUTPUT);
  pinMode(ledPin6, OUTPUT);
  pinMode(ledPin7, OUTPUT);

  pinMode(ledUpDown, OUTPUT);

  pinMode(InterruptPin, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(InterruptPin), blink, FALLING);
}

void loop() {
  unsigned long currentMillis = millis();

  if (currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;

    if (UpDown == LOW) {
      currentSequence++;
      if (currentSequence >= numSequences) {
        currentSequence = 0;
      }
    }
  }

  displaySequence(currentSequence);
  digitalWrite(ledUpDown, UpDown);
}

void displaySequence(byte sequenceNumber) {
  for (int i = 0; i < 8; i++) {
    byte leds = sequences[sequenceNumber][i];
    digitalWrite(ledPin0, bitRead(leds, 0));
    digitalWrite(ledPin1, bitRead(leds, 1));
    digitalWrite(ledPin2, bitRead(leds, 2));
    digitalWrite(ledPin3, bitRead(leds, 3));
    digitalWrite(ledPin4, bitRead(leds, 4));
    digitalWrite(ledPin5, bitRead(leds, 5));
    digitalWrite(ledPin6, bitRead(leds, 6));
    digitalWrite(ledPin7, bitRead(leds, 7));
    delay(500); // Ajusta el tiempo de cada paso de la secuencia (medio segundo en este caso)
  }
}

void blink() {
  UpDown = !UpDown;
}