int pin_led = 22;
int pin_pul = 23;

void setup() {
  pinMode(pin_pul,INPUT_PULLDOWN);
  pinMode(pin_led,OUTPUT);
}

void loop() {
  int v_entrada = digitalRead(pin_pul);
  if (v_entrada == HIGH) {
    
 digitalWrite(pin_led,HIGH);
 delay(1000);
 digitalWrite(pin_led,LOW);
 delay(1000); 
 digitalWrite(pin_led,HIGH);
 delay(1000);
 digitalWrite(pin_led,LOW);
 delay(1000);
  }
  delay(100);
}