#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,20,4);

#define LED 15

void setup() {
  lcd.init();
  lcd.backlight();
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(LED, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(3000); // this speeds up the simulation
  digitalWrite(LED, HIGH);
  lcd.setCursor (0,0);
  lcd.println("lampu LAD hidup!");
  delay(1500);
  digitalWrite(LED, LOW);
  lcd. setCursor (0,0);
  lcd.println("lampu LED mati!");
}