#include <LiquidCrystal.h>

// Define the LCD connections
LiquidCrystal lcd(12, 11, 5, 6, 7, 8);

void setup() {
  // Set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("Hello, world");
}

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