Debounced Pushbutton rev_01

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    - Project: Debounced Pushbutton
    - Source Code NOT compiled for: Arduino Opta Lite
    - Source Code created on: 2025-10-06 21:19:22

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* give me example of button */
/****** END SYSTEM REQUIREMENTS *****/


/* START CODE */

/****** DEFINITION OF LIBRARIES *****/

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

const int buttonPin = 2; // Pushbutton connected to digital pin 2
const int ledPin = 13;   // On-board LED

int buttonState = HIGH;
int lastButtonState = HIGH;
unsigned long lastDebounceTime = 0;
unsigned long debounceDelay = 50;
bool ledState = false;

void setup(void)
{
    // Example: Pushbutton with internal pull-up resistor toggling the LED
    pinMode(buttonPin, INPUT_PULLUP);
    pinMode(ledPin, OUTPUT);
    digitalWrite(ledPin, LOW);
}

void loop(void)
{
    int reading = digitalRead(buttonPin);

    if (reading != lastButtonState)
    {
        lastDebounceTime = millis();
    }

    if ((millis() - lastDebounceTime) > debounceDelay)
    {
        if (reading != buttonState)
        {
            buttonState = reading;
            if (buttonState == LOW)
            {
                ledState = !ledState;
                digitalWrite(ledPin, ledState ? HIGH : LOW);
            }
        }
    }

    lastButtonState = reading;
}

/* END CODE */