digitalWrite(13,1);
delay(500);
digitalWrite(13, 0);
delay(500);
digitalWrite(12,1);
delay(500);
digitalWrite(12, 0);
delay(500);
digitalWrite(11,1);
delay(500);
digitalWrite(11, 0);
delay(500);
digitalWrite(10,1);
delay(500);
digitalWrite(10, 0);
delay(500)...