#include <LiquidCrystal_I2C.h>
#define lcd_address 0*27
#define lcd_col 16
#define lcd_row 2
LiquidCrystal_I2C lcd (lcd_address, lcd_col,lcd_row);
void setup(){
  lcd.begin(16,2);
  lcd.init();
  lcd.setCursor(3,0);
  lcd.print("hello world");
}

void loop() {
  

}