🎮 How to Play

🎯 Goal

Guess the secret number chosen randomly by the Arduino.

Easy mode: 0–9

You have 3 attempts.

Hard mode: 0–99

You have 6 attempts.

⌨️ Keypad Controls

Button                      function

0–9                            Enter your guess digits

#                                  Confirm your guess

 *                                    Start a new game immediately

A                                  Show help instructions on the LCD

B                                  Backspace (delete last digit entered)

C                                  Toggle between guessing ranges (0–9 or 0–99)

D                                  Toggle buzzer ON/OFF