const int LED = 13;
const int PUL = 7;
int estado = 0;

void setup() {
  // put your setup code here, to run once:
  pinMode(LED, OUTPUT);
  pinMode(PUL, INPUT);
}

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

}