char digit[] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x7,0x7F,0x6F};

void setup() {
  DDRD = 0xFF;

}

void loop() {
  for(int j = 0; j < 10; j++){
    PORTD = digit[j];
    delay(500);
  }
}