// LCD liquid-crystal display 
// I2C Inter-Integrated Communication
// LiquidCrystal_I2C-1.1.2 library need to download for physical pratical

#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2); // set the LCD address  to 0x27 for a 16 chars and 2 line display

void setup() {
  // put your setup code here, to run once:
  lcd.init();
  lcd.backlight();
}

void loop() {
  // put your main code here, to run repeatedly:
  lcd.setCursor(1,0);
  lcd.print("Hello World!");
  delay(3000);
  lcd.clear();

  lcd.setCursor(2,0);
  lcd.print("This is a LCD");
  lcd.setCursor(2,1);
  lcd.print("Screen Test");
  delay(3000);
  lcd.clear();

}