#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup()
{
  Wire.begin(21, 22);
   lcd.init(); 
   lcd.backlight();
   lcd.setCursor(1,0);
   lcd.print("2300040042");
   lcd.setCursor(2,1);
   lcd.print("KLU");
}

void loop()
{
  delay(100);
}