const int buttonPin = 2;  // Pin where the button is connected
bool buttonPressed = false;  // Flag to indicate if the button has been pressed
bool lastButtonState = HIGH;  // Previous state of the button
unsigned long lastDebounceTime = 0;  // Time the button state last changed
unsigned long debounceDelay = 50;  // Debounce time (50 milliseconds)

void setup() {
  pinMode(buttonPin, INPUT_PULLUP);  // Use internal pull-up resistor
  Serial.begin(9600);
}

void loop(){
  int buttonState = digitalRead(buttonPin);
  
  // Check if the button state has changed
  if (buttonState != lastButtonState) {
    lastDebounceTime = millis();  // Reset the debouncing timer
  }
  
  if ((millis() - lastDebounceTime) > debounceDelay) {
    // If the button state has been stable for the debounce delay
    if (buttonState == LOW && !buttonPressed) {
      // Button has been pressed
      Serial.println("Button pressed!");
      buttonPressed = true;
    } else if (buttonState == HIGH) {
      // Button has been released
      buttonPressed = false;
    }
  }
  
  lastButtonState = digitalRead(buttonPin);
}