HC-SR04 Ultrasonic distance meter with 1602 i2C LCD display - Arduino for beginners

#include "LiquidCrystal_I2C.h"

LiquidCrystal_I2C lcd(0x27,16,2);
const int trigPin = 2;
const int echoPin = 3;
long duration;
int distanceCm, distanceInch;

void setup() {
lcd.init();
lcd.backlight();
lcd.begin(16,2);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
lcd.setCursor(4,0);
lcd.print("HC-SRO4");
lcd.setCursor(1,1);
lcd.print("Distance meter");
delay(3000);
lcd.clear();
lcd.setCursor(2,0);
lcd.print("Daradici");
lcd.setCursor(7,1);
lcd.print("Levente");
delay(3000);
lcd.clear();
lcd.setCursor(2,0);
lcd.print("Arduino for");
lcd.setCursor(3,1);
lcd.print("beginners");
delay(3000);
lcd.clear();
}

void loop() {

digitalWrite(trigPin, LOW);
delay(2);
digitalWrite(trigPin, HIGH);
delay(10);
digitalWrite(trigPin, LOW);

duration = pulseIn(echoPin, HIGH);
distanceCm= duration*0.034/2;
distanceInch = duration*0.0133/2;

lcd.setCursor(0,0);
lcd.print("Distance: ");
lcd.setCursor(5,1);
lcd.print(distanceCm);
lcd.print(" cm");
delay(500);
lcd.clear();
}