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

// Initialize the LCD with the I2C address (e.g., 0x27 or 0x3F, depending on your LCD module).
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  lcd.init();          // Initialize the LCD
  lcd.backlight();     // Turn on the backlight
  lcd.setCursor(0, 0); // Set the cursor to the first column, first row
  lcd.print("5");      // Display the number 5
}

void loop() {
  // Do nothing, keep the LCD displaying "5"
}