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

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

void setup() {
  // Initialize the LCD connected to the I2C address 0x27
  lcd.init();
  // Turn on the backlight.
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Hello, World!");
}

void loop() {
  // Set the cursor to column 0, line 1
  lcd.setCursor(0, 1);
  // Print the number of seconds since reset:
  lcd.print(millis() / 1000);
  delay(1000);
}