#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
int trigPin = 7;
int echoPin = 6;
int duration;
int distance;

void setup() {
  // put your setup code here, to run once:
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  lcd.init();
  lcd.begin(16, 2);
  Serial.begin(9600);
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("Hello  World!!!!");
  delay(2000);
}

void loop() {
  // put your main code here, to run repeatedly:
  lcd.clear();
  digitalWrite(trigPin, LOW);
  digitalWrite(trigPin, HIGH);
  duration = pulseIn(echoPin, HIGH);
  distance = 0.0172 * duration;
  lcd.setCursor(4, 0);
  lcd.print("distance");
  lcd.setCursor(5, 1);
  lcd.print(distance);
  delay(2000);
}