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sequence.md

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sequenceDiagram participant User participant Arduino participant LCD participant Keypad participant DFPlayer participant Buzzer participant LED

alt system
rect rgb(191, 223, 255)
User->>Keypad: Press Key
Keypad->>Arduino: Send Key Value
Arduino->>LCD: Display Main Menu
end
end

alt listening mode main
rect rgb(255, 223, 191)
User->>Keypad: Press 1 (Listening Mode)
Keypad->>Arduino: Send Key Value
Arduino->>User: Request Confirmation (Listening Mode)
User->>Keypad: Press Y (Yes)
Keypad->>Arduino: Send Key Value
Arduino->>LCD: Display Listening Mode Menu
end
end

alt listening mode menu
rect rgb(191, 255, 223)
User->>Keypad: Press 1 or 2 (Manual/Random)
Keypad->>Arduino: Send Key Value
alt Manual Mode
    Arduino->>User: Request Track Number
    User->>Keypad: Enter Track Number
    Keypad->>Arduino: Send Track Number
    Arduino->>User: Confirm to Play Track
    User->>Keypad: Press Y (Yes)
    Keypad->>Arduino: Send Key Value
else Random Mode
    Arduino->>Arduino: Generate Random Track Number
end
end
end

alt Playing audio
rect rgb(223, 191, 255)
Arduino->>DFPlayer: Play Track
DFPlayer->>Arduino: Playing Status
Arduino->>LCD: Display Playing Status
DFPlayer->>Arduino: Track Finished
Arduino->>LCD: Display Main Menu
end
end

alt Guessing mode
rect rgb(255, 223, 191)
User->>Keypad: Press 2 (Guessing Mode)
Keypad->>Arduino: Send Key Value
Arduino->>User: Request Confirmation (Guessing Mode)
User->>Keypad: Press Y (Yes)
Keypad->>Arduino: Send Key Value
Arduino->>Arduino: Generate Random Track Number
Arduino->>DFPlayer: Play Track
DFPlayer->>Arduino: Playing Status
Arduino->>LCD: Display Playing Status
DFPlayer->>Arduino: Track Finished
Arduino->>User: Request Track Guess
User->>Keypad: Enter Track Number
Keypad->>Arduino: Send Track Number
alt Correct Guess
    Arduino->>DFPlayer: Play Correct Sound
    Arduino->>User: Display Correct Message
    Arduino->>Arduino: Increment Score
else Incorrect Guess
    Arduino->>DFPlayer: Play Incorrect Sound
    Arduino->>Buzzer: Activate Buzzer
    Arduino->>User: Display Incorrect Message
    Arduino->>Arduino: Decrement Score
end
end
end

alt main display
rect rgb(191, 255, 223)
Arduino->>LCD: Display Main Menu or Game Over/Win
end
end