//lightshow
int ledPin[]= {1,2,4,8,16,32,64,128,255,0,255,16,32,128,0,255};
int ledPin1[]={255,0,255,0};


void setup() {
  DDRD = 0xFF; //Port D je izhod
  DDRB |= 0x00;
}

void loop() {
  int value = PINB & 0x01; //0b00000001
  if (value==HIGH){
    for (int x=0; x < (sizeof(ledPin)/sizeof(ledPin[0])); x++){
      PORTD=ledPin[x];
      delay(300);
    }
  }

  if (value==LOW){
      for (int x=0; x < (sizeof(ledPin)/sizeof(ledPin[1])); x++){
      PORTD=ledPin1[x];
      delay(300);
    }
  }

}