#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);


void setup() {
 
  lcd.init();
   lcd.backlight();
#define button 4
#define ledred 3 
  pinMode(button, INPUT);
  pinMode(ledred, OUTPUT );
}

void loop(){
  int Switch_State=digitalRead(button);
if (Switch_State==HIGH){
      digitalWrite(ledred, HIGH);
      delay(300);
      lcd.setCursor(16, 0);
      lcd.print("Lampu Hidup");
      lcd.scrollDisplayLeft();
  delay(300);
  
  }
  
  else {
      digitalWrite(ledred, LOW); 
      delay(300);
      lcd.setCursor(16,0);
      lcd.print("Lampu Mati");
      lcd.scrollDisplayLeft();
  delay(300);
  }
  }