// codigo 4 encender 4 leds en secuencia y asi mismo se apaguen con un boton
int led1 = 27;
int led2 = 25;
int led3 = 33;
int led4 = 26;
int button = 5;
int buttonState = 0;

void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(button, INPUT);
}
void loop() {
  buttonState = digitalRead(5);
  if (buttonState == HIGH) {
    digitalWrite(led1, HIGH);
    delay(1000);
    digitalWrite(led2, HIGH);
    delay(1000);
    digitalWrite(led3, HIGH);
    delay(1000);
    digitalWrite(led4, HIGH);
    delay(1000);
    digitalWrite(led4, LOW);
    delay(1000);
    digitalWrite(led3, LOW);
    delay(1000);
    digitalWrite(led2, LOW);
    delay(1000);
    digitalWrite(led1, LOW);
    delay(1000);
  }
}