31 - Button + Buzzer + LED count

int button1State = 0;
int count = 0;

int lastIncrementState = 0;

const int button1Pin = 2;

const int buzzerPin = 9;

const int led1 = 3;

void setup()
{
  // Here we'll configure the Arduino pins we're using
  // LEDs are to be outputs, and buttons are inputs:

  pinMode(button1Pin, INPUT);
  pinMode(buzzerPin, OUTPUT);
  pinMode(led1, OUTPUT);
}

void displayCount()
{
    delay(10000);
    serial.println(count);
}

void loop()

{
    displayCount();

    if (button1State != lastIncrementState)

        {

              if (button1State == LOW)

             {
                  buzzerPin(tone);
                  digitalWrite(led1, HIGH);
                  count += 1;
             }

        lastIncrementState = button2State;

       }
       

}