const int buttonPin = 2;
const int ledPin = 13;

int buttonState;
int lastButtonState = LOW;
int counter = 0;

unsigned long lastDebounceTime = 0;
unsigned long debounceDelay = 50;

void setup() {
  pinMode(buttonPin, INPUT);
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);
}

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

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

  if ((millis() - lastDebounceTime) > debounceDelay) {
    if (reading != buttonState) {
      buttonState = reading;

      if (buttonState == HIGH) {
        counter++;
        Serial.print("Count: ");
        Serial.println(counter);

        // Blink the LED once
        digitalWrite(ledPin, HIGH);
        delay(200);
        digitalWrite(ledPin, LOW);
      }
    }
  }

  lastButtonState = reading;
}