const int cirkel = 13;     // the number of the pushbutton pin
const int triangel = 11;
const int rektangel = 6;
const int kvadrat = 3;
const int oval = 5;
const int star = 10;
const int hexagon = 4;
const int heart = 5;
const int romb = 9;
const int piezo =  12;      // the number of the LED pin

// variables will change:
int buttonState = 0;         // variable for reading the pushbutton status
int lastButtonState = LOW;

void setup() {
  // initialize the LED pin as an output:
  pinMode(piezo, OUTPUT);
  // initialize the pushbutton pin as an input:
  pinMode(cirkel, INPUT);
  pinMode(kvadrat, INPUT);
  pinMode(hexagon, INPUT);
  pinMode(triangel, INPUT);
  pinMode(oval, INPUT);
  pinMode(heart, INPUT);
  pinMode(rektangel, INPUT);
  pinMode(star, INPUT);
  pinMode(romb, INPUT);

}

void loop() {
  // read the state of the pushbutton value:

  buttonState = digitalRead(kvadrat);

    if (buttonState == HIGH) {
    // turn LED on:
    digitalWrite(piezo, HIGH);
    delayMicroseconds(1200);
    digitalWrite(piezo, LOW);
    delayMicroseconds(1200);
  } else {
    // turn LED off:
    digitalWrite(piezo, LOW);
  }

  buttonState = digitalRead(cirkel);

  // check if the pushbutton is pressed.
  // if it is, the buttonState is HIGH:
  if (buttonState == HIGH) {
    // turn LED on:
    digitalWrite(piezo, HIGH);
    delayMicroseconds(1200);
    digitalWrite(piezo, LOW);
    delayMicroseconds(1200);
  } else {
    // turn LED off:
    digitalWrite(piezo, LOW);
  }


   buttonState = digitalRead(hexagon);

  // check if the pushbutton is pressed.
  // if it is, the buttonState is HIGH:
  if (buttonState == HIGH) {
    // turn LED on:
    digitalWrite(piezo, HIGH);
    delayMicroseconds(1200);
    digitalWrite(piezo, LOW);
    delayMicroseconds(1200);
  } else {
    // turn LED off:
    digitalWrite(piezo, LOW);
  }

   buttonState = digitalRead(triangel);

  // check if the pushbutton is pressed.
  // if it is, the buttonState is HIGH:
  if (buttonState == HIGH) {
    // turn LED on:
    digitalWrite(piezo, HIGH);
    delayMicroseconds(1200);
    digitalWrite(piezo, LOW);
    delayMicroseconds(1200);
  } else {
    // turn LED off:
    digitalWrite(piezo, LOW);
  }

buttonState = digitalRead(heart);

  // check if the pushbutton is pressed.
  // if it is, the buttonState is HIGH:
  if (buttonState == HIGH) {
    // turn LED on:
    digitalWrite(piezo, HIGH);
    delayMicroseconds(1200);
    digitalWrite(piezo, LOW);
    delayMicroseconds(1200);
  } else {
    // turn LED off:
    digitalWrite(piezo, LOW);
  }

  buttonState = digitalRead(rektangel);

  // check if the pushbutton is pressed.
  // if it is, the buttonState is HIGH:
  if (buttonState == HIGH) {
    // turn LED on:
    digitalWrite(piezo, HIGH);
    delayMicroseconds(1200);
    digitalWrite(piezo, LOW);
    delayMicroseconds(1200);
  } else {
    // turn LED off:
    digitalWrite(piezo, LOW);
  }


buttonState = digitalRead(star);

  // check if the pushbutton is pressed.
  // if it is, the buttonState is HIGH:
  if (buttonState == HIGH) {
    // turn LED on:
    digitalWrite(piezo, HIGH);
    delayMicroseconds(1200);
    digitalWrite(piezo, LOW);
    delayMicroseconds(1200);
  } else {
    // turn LED off:
    digitalWrite(piezo, LOW);
  }

buttonState = digitalRead(romb);

  // check if the pushbutton is pressed.
  // if it is, the buttonState is HIGH:
  if (buttonState == HIGH) {
    // turn LED on:
    digitalWrite(piezo, HIGH);
    delayMicroseconds(1200);
    digitalWrite(piezo, LOW);
    delayMicroseconds(1200);
  } else {
    // turn LED off:
    digitalWrite(piezo, LOW);
  }
}