#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16,2);

int trigPin = 13;
int echoPin = 12;
long duration =0;
int distance=0;

void setup() {
  // put your setup code here, to run once:
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);

  lcd.init();
  lcd.backlight();
  lcd.setCursor(0,0);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
 duration = pulseIn(echoPin, HIGH);
 distance= duration * 0.034 / 2;
 lcd.setCursor(0,0);
 lcd.print(distance);



}