#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);

void setup()
{
  Serial.begin(115200);
  Wire.begin(2,4);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(3,0);
  lcd.print("Hello, world!");
  lcd.setCursor(2,1);
  lcd.print("Ywrobot Arduino!");
  delay(1000);
  lcd.setCursor(0,2);
  lcd.print("Arduino LCM IIC 2004");
  delay(1000);
  lcd.setCursor(2,3);
  lcd.print("Power By Ec-yuan!");
}


void loop()
{
  delay(10);
}