#include <LiquidCrystal_I2C.h>
const int I2C_ADDRESS = 0x68;
LiquidCrystal_I2C lcd(0x27,20,4);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  lcd.init();
  lcd.backlight(); 
}

void loop() {
  // put your main code here, to run repeatedly:
  lcd.setCursor(0, 0);
  lcd.print("hallo bos");
  delay(2000); // this speeds up the simulation
  lcd.setCursor(0, 0);
  lcd.print("sehat?");
  delay(2000);
}