//Cortez, Shara Joy M. 
//NW-301

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

void setup() {
  // put your setup code here, to run once:
  lcd.init();
  lcd.backlight();
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  lcd.setCursor(5,0);
  lcd.println("STOP!");
  digitalWrite(2, HIGH);
  delay(800);
  digitalWrite(2, LOW);
  lcd.clear();

  lcd.setCursor(1,0);
  lcd.println("Prepare to go!");
  digitalWrite(3, HIGH);
  delay(800);
  digitalWrite(3, LOW);
  lcd.clear();

  lcd.setCursor(6,0);
  lcd.println("GO!");
  digitalWrite(4, HIGH);
  delay(1000);
  digitalWrite(4, LOW);
  delay(500);
  digitalWrite(4, HIGH);
  delay(500);
  digitalWrite(4, LOW);
  delay(500);
  digitalWrite(4, HIGH);
  delay(500);
  digitalWrite(4, LOW);
  delay(500);
  lcd.clear();

  lcd.setCursor(0,0);
  lcd.println("Prepare to stop!");
  digitalWrite(3, HIGH);
  delay(1000);
  digitalWrite(3, LOW);
  lcd.clear();
}