#include <LiquidCrystal_I2C.h> 

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

void setup()
{
  lcd.init();                      // initialize the lcd 
  // Print a message to the LCD.
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("Hello, CTAS");
  lcd.setCursor(0,1);
  lcd.print("312532");
  lcd.setCursor(0,2);
  lcd.print("Arduino LCD IIC 2004");
  lcd.setCursor(0,3);
  lcd.print("shop.mirotek.com.tw");
}

void loop()
{
}