#include <LiquidCrystal.h>

#define RED 5
#define YELLOW 9
#define GREEN 13

LiquidCrystal lcd(28, 27, 26, 22, 21, 20);

void setup() {
  pinMode(RED, OUTPUT);
  pinMode(YELLOW, OUTPUT);
  pinMode(GREEN, OUTPUT);

}

void lcd_print (int color) {
  if (color == 1){
    lcd.begin(16, 2);
    lcd.print("Green");
    lcd.setCursor(2, 1);
    lcd.print("Go >>>");
  } 
  if (color == 2){
    lcd.begin(16, 2);
    lcd.print("Yellow");
    lcd.setCursor(2, 1);
    lcd.print("Get Ready !!!");
  }
  if (color == 3){
    lcd.begin(16, 2);
    lcd.print("Red");
    lcd.setCursor(2, 1);
    lcd.print("> Stop <");
  }
}

void loop() {
  digitalWrite(GREEN, HIGH);
  lcd_print(1);
  delay(3000);

  digitalWrite(GREEN, LOW);
  digitalWrite(YELLOW, HIGH);
  lcd_print(2);
  delay(1000);

  digitalWrite(YELLOW, LOW);
  digitalWrite(RED, HIGH);
  lcd_print(3);
  delay(3000);

  digitalWrite(YELLOW, HIGH);
  lcd_print(2);
  delay(1000);
  digitalWrite(YELLOW, LOW);
  digitalWrite(RED, LOW);
}