#define PIN_LINKS 27
#define PIN_RECHTS 12
#define PIN_LED0 15
#define PIN_LED1 2
#define PIN_LED2 4
#define PIN_LED3 5
#define PIN_LED4 18 
#define PIN_LED5 19
#define PIN_LED6 21
#define PIN_LED7 22

//globale Variable
int iLED [8];

void setup() {
  iLED[0]=PIN_LED0;
  iLED[1]=PIN_LED1;
  iLED[2]=PIN_LED2;
  iLED[3]=PIN_LED3;
  iLED[4]=PIN_LED4;
  iLED[5]=PIN_LED5;
  iLED[6]=PIN_LED6;
  iLED[7]=PIN_LED7;




  pinMode(PIN_LINKS, INPUT_PULLUP);
  pinMode(PIN_RECHTS, INPUT_PULLUP);
}

void loop() {
  int iIndex;
  iLED[0]=15;
  iLED[1]=2;
  iLED[2]=4;
  iLED[3]=5;
  iLED[4]=18;
  iLED[5]=19;
  iLED[6]=21;
  iLED[7]=22;

for (iIndex=0;iIndex<8;iIndex++){
  digitalWrite(iLED[iIndex], HIGH);
  delay(500);
  pinMode(iLED[iIndex], OUTPUT);
}
}