#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 4, 5, 6, 7);

void setup() {
  lcd.begin(16, 2);
  lcd.setCursor(0,0);
  lcd.print("HELLO...!");
  lcd.setCursor(0,1);
  lcd.print("MR.ARDUINO");
}

void loop() {
  lcd.display();
  delay(2000);
  lcd.noDisplay();
  delay(2000);

}