#include <Servo.h>
#include <LiquidCrystal_I2C.h>
Servo servo13;
int trigger = 2;
int echo =3;
LiquidCrystal_I2C lcd(0x27,16,2);



void setup() {
 Serial.begin(9600);
 pinMode(trigger, OUTPUT);
 pinMode(echo, INPUT);
 digitalWrite(trigger, LOW);
 servo13.attach(13);
 servo13.write(180);
 lcd.init();
 lcd.backlight();
 
}

void loop() {
 int dist =ultra();

 if(dist<=200 && dist>=10)
{
 Serial.print(dist);
 Serial.println("cm");
 servo13.write(75);
 //
 
 lcd.setCursor(0,0);
 lcd.print("La distancia es :  ");
 lcd.setCursor(0,1);
 lcd.print(dist);
 lcd.print(" cm");
 delay(1000);
 
}
else{
 Serial.println("Fuera de Rango");
 //
 lcd.clear();
 lcd.setCursor(0,0);
 lcd.print("Fuera de Rango");
 servo13.write(0);
 delay(1000);




}
}
int ultra(){
 digitalWrite(trigger, HIGH);
 delayMicroseconds(10);
 digitalWrite(trigger, LOW);

long t= pulseIn(echo,HIGH);
long d= t/59;

return d;






}