#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 20, 4);
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);

lcd.init();
lcd.backlight();
lcd.setCursor(4.5,0);
lcd.print("Hello World");
delay(2000);

lcd.setCursor(6,1);
lcd.print("Welcome");
delay(2000);

lcd.setCursor(4,2);
lcd.print("I am JARVIS");
delay(2000);

lcd.clear();
delay(2000);
lcd.setBacklight(LOW);

}

void loop() {
  // put your main code here, to run repeatedly:
}