Button Sequence rev_01

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    - Project: Button Sequence
    - Source Code compiled for: Arduino Uno
    - Source Code created on: 2024-03-02 15:51:19

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* I have regular push buttons on pins 2 to 10 and a */
    /* light on 11 of my arduino uno. Create a code so */
    /* that you can use the buttons as a password, so the */
    /* password is pin 2, 3, 4, and 10. If you press them */
    /* one after the other, the light will come on. */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <EasyButton.h> //https://github.com/evert-arias/EasyButton

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t button_PushButton_PIN_D2 = 2;
const uint8_t button_PushButton_PIN_D3 = 3;
const uint8_t button_PushButton_PIN_D4 = 4;
const uint8_t button_PushButton_PIN_D10 = 10;
const uint8_t light_PIN_D11 = 11;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
EasyButton button_D2(button_PushButton_PIN_D2);
EasyButton button_D3(button_PushButton_PIN_D3);
EasyButton button_D4(button_PushButton_PIN_D4);
EasyButton button_D10(button_PushButton_PIN_D10);

bool isPasswordCorrect = false;
bool button_D2_Pressed = false;
bool button_D3_Pressed = false;
bool button_D4_Pressed = false;
bool button_D10_Pressed = false;

void setup(void)
{
    // put your setup code here, to run once:
    pinMode(button_PushButton_PIN_D2, INPUT_PULLUP);
    pinMode(button_PushButton_PIN_D3, INPUT_PULLUP);
    pinMode(button_PushButton_PIN_D4, INPUT_PULLUP);
    pinMode(button_PushButton_PIN_D10, INPUT_PULLUP);
    pinMode(light_PIN_D11, OUTPUT);

    // Initialize the buttons
    button_D2.begin();
    button_D3.begin();
    button_D4.begin();
    button_D10.begin();
}

void loop(void)
{
    // put your main code here, to run repeatedly:

    // Read the state of the buttons
    button_D2.read();
    button_D3.read();
    button_D4.read();
    button_D10.read();

    // Check if button D2 is pressed
    if (button_D2.isPressed())
    {
        button_D2_Pressed = true;
    }

    // Check the sequence of button presses
    if (button_D2_Pressed)
    {
        if (button_D3.isPressed())
        {
            button_D3_Pressed = true;
        }

        if (button_D3_Pressed && button_D4.isPressed())
        {
            button_D4_Pressed = true;
        }

        if (button_D4_Pressed && button_D10.isPressed())
        {
            button_D10_Pressed = true;
        }
    }

    // Check if the password is entered correctly
    if (button_D10_Pressed)
    {
        isPasswordCorrect = true;
    }

    // Turn on the light if the password is correct
    if (isPasswordCorrect)
    {
        digitalWrite(light_PIN_D11, HIGH);
    }
}