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

int red = 4;
int yel = 2;
int gre = 3;

void setup() {

  pinMode(red, OUTPUT);
  pinMode(yel, OUTPUT);
  pinMode(gre, OUTPUT);

  lcd.begin(16, 2);
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
}

void loop() {
  int r;
  lcd.setCursor(16, 0);
  lcd.print("Adera");
  lcd.setCursor(16, 1);
  lcd.print("Jafani");

  //Lampu
  delay(100);
  digitalWrite(red, HIGH);
  for (r = 0 ; r < 28; r++)
  {
    lcd.scrollDisplayLeft();
    delay(700);
  }
  delay(1000);
  lcd.clear();
  digitalWrite(red, LOW);
  delay(500);
  yellow();
  green();
}

void yellow() {
  digitalWrite(yel, HIGH);
  delay(100);
  digitalWrite(yel, LOW);
}

void green() {
  int g;
  digitalWrite(gre, HIGH);
  lcd.setCursor(16, 0);
  lcd.print("Surya");
  lcd.setCursor(16, 1);
  lcd.print("Ardiansyah");
  delay(1000);
  for (g = 0 ; g < 28; g++)
  {
    lcd.scrollDisplayLeft();
    delay(700);
  }
  delay(1000);
  lcd.clear();
  digitalWrite(gre, LOW);

}