#define pulsador 2
#define led 4
void setup() {
  // put your setup code here, to run once:
  pinMode(pulsador, INPUT);
 pinMode(led, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  if(digitalRead(pulsador)== 1){
    digitalWrite(led,HIGH);
    }
    else{
      digitalWrite(led, LOW);
    }
}