#include <Ultrasonic.h>

Ultrasonic ultrasonico1(12, 11); //pines triger12 / echo1 (FRONTAL)


float dist1=0; //variables tipo float para almacenar la lectura del sensor


void setup() {
  Serial.begin(9600);
  pinMode(8,OUTPUT);
}

void loop() {
  sensor1();

}

void sensor1(){
  dist1=ultrasonico1.distanceRead();
  if(dist1 <= 70){digitalWrite(8,1);
  delay(500);
  digitalWrite(8,0);
  }
  else{return sensor1();}

}