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

void setup(){
  lcd.init();
  lcd.backlight();
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(11, OUTPUT);
}

void loop(){
  //Red LED
  lcd.setCursor(6,1);
  lcd.println("STOP");
  digitalWrite(13, HIGH);
  delay(5000);
  digitalWrite(13, LOW);
  lcd.clear();

  //Yellow LED
  lcd.setCursor(4,1);
  lcd.println("GET READY");
  digitalWrite(12, HIGH);
  delay(5000);
  digitalWrite(12, LOW);
  lcd.clear();

  //Green LED
  lcd.setCursor(7,1);
  lcd.println("GO");
  digitalWrite(11, HIGH);
  delay(5000);
  digitalWrite(11, LOW);
  delay(500);
  digitalWrite(11, HIGH);
  delay(500);
  digitalWrite(11, LOW);
  delay(500);
  digitalWrite(11, HIGH);
  delay(500);
  digitalWrite(11, LOW);
  delay(500);
  lcd.clear();

  //Yellow LED
  lcd.setCursor(0,1);
  lcd.println("PREPARE TO STOP");
  digitalWrite(12, HIGH);
  delay(5000);
  digitalWrite(12, LOW);
  lcd.clear();

}