#include <LiquidCrystal_I2C.h>
#define I2C_ADDR 0x27
#define LCD_COLUMNS 20
#define LCD_LINES 6

LiquidCrystal_I2C lcd(I2C_ADDR,LCD_COLUMNS,LCD_LINES);
void setup()
{
  lcd.init();
  lcd.backlight();
  lcd.setCursor(3,0);
  lcd.print("HELLO WORLD");
  lcd.setCursor(2,1);
  lcd.print("IOT!");
  delay(1000);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("HI");
  lcd.setCursor(0,1);
  lcd.print("BYE");
}
void loop()
{

}