#include <Bounce2.h>

int buttonState = 0;
int counter = 2;
int buttonStateHIGH = 0;


unsigned long currentMillis = 0;
unsigned long timestamp = 0;
const long anzeigedauer = 5000;

unsigned long currentMillis_1 = 0;
unsigned long timestamp_1 = 0;
const long anzeigedauer_1 = 5000;

Bounce debouncer = Bounce();

void setup() {
 Serial.begin(9600);
 pinMode(8,INPUT_PULLUP);
 pinMode(4, OUTPUT);
 pinMode(5, OUTPUT);

  debouncer.attach(8);
  debouncer.interval(5); // interval in ms

}

void loop()
{
 debouncer.update();
 int value = debouncer.read();
Serial.println(value);


//Zähler 0-3
  value = digitalRead(8);

  if(value == HIGH)
    {
     buttonStateHIGH = 1;
    }

  if(value == LOW && buttonStateHIGH == 1)
    {
     counter++;
     buttonStateHIGH = 0;
    }

  if(counter == 4)
    {
    counter = 0;
    }
 Serial.println(counter);



//Ansteuerung von zwei LEDs
switch (counter)
{
  case 0:
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  break;


  case 1:
  currentMillis = millis();
  if(currentMillis - timestamp > anzeigedauer)
    {
    timestamp = currentMillis;
    counter = 2;
    }
  digitalWrite(4, LOW);
  digitalWrite(5, HIGH);
  break;


  case 2:
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  break;


  case 3:
  currentMillis_1 = millis();
  if(currentMillis_1 - timestamp_1 > anzeigedauer_1)
    {
    timestamp_1 = currentMillis_1;
    counter = 0;
    }
  digitalWrite(5, LOW);
  digitalWrite(4, HIGH);
  break;

}




}