int angka[] = {B10100100, B00100100, B11111001, B01111001, B10010010, B10110000, B10000010, B10100100};

void setup() {
  for (int i = 22; i < 30; i++) {
    pinMode(i, OUTPUT);
  }
}

void loop() {
  for (int i = 0; i < 8; i++) {
    PORTA = angka[i];
    delay(500);
    PORTA = B11111111;
    delay(500);
  }
}