#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);
int Lampu = 3;

void setup() {
  lcd.init();
  lcd.backlight();
  pinMode(3,OUTPUT);
}

void loop() {
  lcd.setCursor(0,3);
  lcd.print("Lampu On");
  digitalWrite(3,HIGH);
  delay(1000);
  lcd.clear();
  lcd.print("Lampu Off");
  digitalWrite(3,LOW);
  delay(1000);
  lcd.clear();
}