#include <Wire.h>
#include <LiquidCrystal_I2C.h>

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

void setup() {
  lcd.begin(16, 2); // initialize the LCD with 16 columns and 2 rows
  lcd.backlight(); // Turn on the backlight
  lcd.print("Hello, world !");
}

void loop() {
  // Your loop code here
}