char digit[] = {0x3F, 0x06, 0x5B, 0x4F, 0x66, 0x6D};


void setup() {
  // put your setup code here, to run once:
  for(int x = 0; x < 7; x++) {
    pinMode(x, OUTPUT);
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  for (int x = 0; x < 7; x++) {
    digitalWrite(x, HIGH);
    delay(500);
  }
  for (int x = 7; x >= 0; x--) {
    digitalWrite(x, LOW);
    delay(500);
  }

  /*int i = digit[5];
  for (int x = 0; x < 7; x++) {
    int temp = i & 0x01;
    digitalWrite(x, temp);
    i = i >> 1;
    delay(500);
  }*/
}