int pinLed = 13;

void setup() {
  pinMode(pinLed, OUTPUT);
}

void loop() {
  digitalWrite(pinLed, HIGH);
  delay(1000);
  digitalWrite(pinLed, LOW);
  delay(1000);
}

int pinBoton = 2;
int pinLed = 3;

void setup() {
  Serial.begin(9600);
  pinMode(pinLed, OUTPUT);
  pinMode(pinBoton, INPUT);
}

void loop() {
  int estadoBoton = digitalRead(pinBoton);
  Serial.println(estadoBoton);

  if (estadoBoton == 1) {
    digitalWrite(pinLed, HIGH);
  } else {
    digitalWrite(pinLed, LOW);
  }

  delay(20);
}

int pinPot = A0;
int pinLed = 11;

void setup() {
  Serial.begin(9600);
  pinMode(pinLed, OUTPUT);
  pinMode(pinPot, INPUT);
}

void loop() {
  int valorPot = analogRead(pinPot);
  int cantidadLuz = map(valorPot, 0, 1023, 0, 255);
  Serial.println(cantidadLuz);
  analogWrite(pinLed, cantidadLuz);

  delay(20);
}