void setup() {
  // put your setup code here, to run once:

}

void motor(direction) {
  break;
}

void moveTo(targetLevel) {
  break;
  if (currentLevel == targetLevel) {
    loop()
  }

  if (currentLevel > targetLevel) {
    motor("up");
  }

  if (currentLevel < targetLevel) {
    motor("down")
  }

}

void button() {
  int button1 = 22;
  int button2 = 23;
  int button3 = 24;
  while (1){
  switch (HIGH) {
    case digitalRead(button1):
      led(1);
      break;
    case digitalRead(button2):
      led(2);
      break;
    case digitalRead(button3):
      led(3);
      break;
  }}
};

class 7segment() {
  public:
  void display(numberToDisplay) {
    //bcd code
  }
};

void led(led) {
  int led1 = 8;
  int led2 = 9;
  int led3 = 10;

  //turn off all leds;
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  digitalWrite(led3, LOW);
  
  switch (led) {
    case 1:
    digitalWrite(led1, HIGH);
    break;

    case 2:
    digitalWrite(led2, HIGH);
    break;

    case 3:
    digitalWrite(led3, HIGH);
    break;
  }
  moveTo(led);
};

class detectors() {
  public:
  int detector1b = 25;
  int detector1t = 26;
  int detector1b = 27;
  int detector2t = 28;
  int detector3b = 29;
  int detector3t = 30;
};

void loop() {
  // put your main code here, to run repeatedly:

}