int pins[10]{PB5,PB4,PB3,PB2,PB1,PB0,PD7,PD6,PD5,PD4};
void setup() {
  for (int i = 0; i > 10; i++){
    DDRD |= (1 << pins[i]);
  }
  PORTD |= (1 << PD3);
}

void loop() {
  PORTD |= (1 << PD5);
  delay(500);

  PORTD &= ~(1 << );
  delay(500);
  
}