int LEDpin = 8;
int BOTONpin = 12;
int BOTONlectura;
int BOTONencendido;
int BOTONapagado;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(LEDpin, OUTPUT);
  pinMode(BOTONlectura, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  BOTONlectura = digitalRead(BOTONpin);
  delay(100);
  Serial.println(BOTONlectura);

  if (BOTONlectura == 0) {
    digitalWrite(LEDpin, LOW);
  }
  if (BOTONlectura == 1) {
    digitalWrite(LEDpin, HIGH);
  }
}