#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

int merah = 3;
int hijau = 4;
int biru = 5;
int kuning = 6;
int jingga = 7;
int delayTime = 1000; // Waktu perpindahan LED

void setup() {
  // put your setup code here, to run once:
  lcd.init();
  lcd.backlight();
  pinMode(merah, OUTPUT);
  pinMode(hijau, OUTPUT);
  pinMode(biru, OUTPUT);
  pinMode(kuning, OUTPUT);
  pinMode(jingga, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  for (int i = merah; i <= jingga; i++) {
    digitalWrite(i, HIGH);
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Lampu");
    if(i == merah){
      lcd.print("Satu");
    }
    else if (i == hijau){
      lcd.print("Dua");
    }
     else if (i == biru){
      lcd.print("Tiga");
    }
     else if (i == kuning){
      lcd.print("Empat");
    }
     else if (i == jingga){
      lcd.print("Lima");
    }
    lcd.print("Nyala");
    delay(1000);
    digitalWrite(i, LOW);
  }
  for (int i = jingga; i >= merah; i--){
    digitalWrite(i, HIGH);
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Lampu");
    if (i == jingga){
      lcd.print("Lima");
    }
     else if (i == kuning){
      lcd.print("Empat");
    }
     else if (i == biru){
      lcd.print("Tiga");
    }
     else if (i == hijau){
      lcd.print("Dua");
    }
     else if (i == merah){
      lcd.print("Satu");
    }
    lcd.print("Nyala");
    delay(1000);
    digitalWrite(i, LOW);
  }
}