int dataPin = 2;
int latchPin = 4;
int clockPin = 3;
byte path [8]={
  B00000001,
  B00000010,
  B00000100,
  B00001000,
  B00010000,
  B00100000,
  B01000000,
  B10000000
};
void setup(){
  pinMode(latchPin, OUTPUT);
  pinMode(clockPin, OUTPUT);
  pinMode(dataPin, OUTPUT);
}
void loop()  {
  for (int i=0; i<8; i++){
    digitalWrite(latchPin, LOW);

  int j;
  for (j = 0; j < 8; j++)  {
    digitalWrite(dataPin, (path[i] & (1 << j)));
    digitalWrite(clockPin, HIGH);
    digitalWrite(clockPin, LOW);		
  }

    digitalWrite(latchPin, HIGH);
    delay(500);
  }
}