bool state = 0;
int buttonstate = 0;
int laststate = 0;
unsigned long lastdebounce = 0;
unsigned long debounceDelay = 50;
int counter = 0;

void setup() {
  Serial.begin(9600);
  pinMode(2, INPUT_PULLUP);
  pinMode(3, INPUT_PULLUP);
  for (int i = 4; i <= 6; i++) {
    pinMode(i, OUTPUT);
  }

}

void loop() {
  int reading = digitalRead(2);
  if (reading != laststate) {
    lastdebounce = millis();
  }

  if ((millis() - lastdebounce) > debounceDelay) {
    if (reading  != buttonstate) {
      buttonstate = reading;
    }
    if (buttonstate == HIGH) {
      counter++;
      
    }
    Serial.println(counter);
  }
  // switch (state) {
  //   case 0:
  //     digitalWrite(4, 1);
  //     state = 1;
  //     break;
  //   case 1:
  //     digitalWrite(5, 1);
  //     state = 2;
  //     break;
  //   case 2:
  //     digitalWrite(6, 1);
  //     state = 0;
  //     break;
  // default:
  //   for (int i = 4; i <= 6; i++) {
  //     digitalWrite(i, 0);
  //   }
  // break;
  // }

  laststate = reading;
}