#include <LiquidCrystal_I2C.h>

int kolom = 16;
int baris = 2;

LiquidCrystal_I2C lcd(0x27, kolom, baris);

// Pin LED sesuai rangkaian
int led1 = 13;   // Merah
int led2 = 12;   // Kuning
int led3 = 11;   // Hijau

void setup() {
lcd.init();
lcd.backlight();

pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
}

void loop() {

// LED MERAH
digitalWrite(led1, HIGH);
digitalWrite(led2, LOW);
digitalWrite(led3, LOW);

lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Akhmad wafi M.");

lcd.setCursor(0, 1);
lcd.print("XII-3/13 SMAN");

// Teks bergerak saat LED merah menyala
for (int i = 0; i < 12; i++) {
  lcd.scrollDisplayLeft();
  delay(250);
}

digitalWrite(led1, LOW);


// LED KUNING
digitalWrite(led1, LOW);
digitalWrite(led2, HIGH);
digitalWrite(led3, LOW);

// Teks tetap bergerak
for (int i = 0; i < 8; i++) {
lcd.scrollDisplayLeft();
delay(250);
}

digitalWrite(led2, LOW);


// LED HIJAU
digitalWrite(led1, LOW);
digitalWrite(led2, LOW);
digitalWrite(led3, HIGH);

// Teks tetap bergerak
for (int i = 0; i < 16; i++) {
lcd.scrollDisplayLeft();
delay(250);
}

digitalWrite(led3, LOW);

delay(500);
}