//YWROBOT
//Compatible with the Arduino IDE 1.0
//Library version:1.1
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,20,4);  // set the LCD address to 0x27 for a 16 chars and 2 line display

void setup()
{
  lcd.init();                      // initialize the lcd
  // Print a message to the LCD.
  lcd.backlight();
  lcd.setCursor(3,0);
  lcd.print("Hello, world!");
  lcd.setCursor(2,1);
  lcd.print("Robot Arduino!");
  lcd.setCursor(0,2);
  lcd.print("Arduino LCM IIC 2004");
   lcd.setCursor(1,3);
  lcd.print("Power By Ec-yuan!");
  //pinMode();
}


void loop()
{
  int lastMilli=0;
  for(int i=0;i<10;i++){ 
    int elapsed=millis()-lastMilli;
    if(elapsed < 1000){
      lcd.setCursor(0,0);
      lcd.print(elapsed);
      delay(1000-elapsed);
    }
    lastMilli=millis();
    lcd.setCursor(19,3);
    lcd.print(i);
  }
}