#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0X27,16,2);
int time;
int distance;
int trigpin = 8;
int echopin = 9;
void setup() {
  // put your setup code here, to run once:
  pinMode(trigpin,OUTPUT);
  pinMode(echopin, INPUT);
  lcd.init();
  lcd.backlight();
  lcd.begin(16,2);
  lcd.setCursor(0,0);
  lcd.print("Distance");
  delay(1000);
}
void loop() {
  // put your main code here, to run repeatedly:
  lcd.clear();
  digitalWrite(trigpin, LOW);
  digitalWrite(trigpin, HIGH);
  delayMicroseconds(20);
  digitalWrite(trigpin, LOW);
  time = pulseIn(echopin,HIGH);
  distance = 0.0172 * time;
  lcd.setCursor(5,0);
  lcd.print(distance);
  lcd.print("cm");
  delay(1000);
}