void setup() {

  // put your setup code here, to run once:

  pinMode(1, OUTPUT);

  pinMode(3, OUTPUT);

  pinMode(5, OUTPUT);

  pinMode(7, OUTPUT);

  pinMode(8, OUTPUT);

  pinMode(9, OUTPUT);

  pinMode(11, OUTPUT);

  pinMode(13, OUTPUT);

}


void loop() {

  //전체 깜박임 3번

  digitalWrite(1, HIGH);

  digitalWrite(3, HIGH);

  digitalWrite(5, HIGH);

  digitalWrite(7, HIGH);

  digitalWrite(8, HIGH);

  digitalWrite(9, HIGH);

  digitalWrite(11, HIGH);

  digitalWrite(13, HIGH);

  delay(1000);

  digitalWrite(1, LOW);

  digitalWrite(3, LOW);

  digitalWrite(5, LOW);

  digitalWrite(7, LOW);

  digitalWrite(8, LOW);

  digitalWrite(9, LOW);

  digitalWrite(11, LOW);

  digitalWrite(13, LOW);

  delay(1000);

  //1번

  digitalWrite(1, HIGH);

  digitalWrite(3, HIGH);

  digitalWrite(5, HIGH);

  digitalWrite(7, HIGH);

  digitalWrite(8, HIGH);

  digitalWrite(9, HIGH);

  digitalWrite(11, HIGH);

  digitalWrite(13, HIGH);

  delay(1000);

  digitalWrite(1, LOW);

  digitalWrite(3, LOW);

  digitalWrite(5, LOW);

  digitalWrite(7, LOW);

  digitalWrite(8, LOW);

  digitalWrite(9, LOW);

  digitalWrite(11, LOW);

  digitalWrite(13, LOW);

  delay(1000);


이거에서


int LED_Pin[8] = {1, 3, 5, 7, 8, 9, 11, 13};

 int a;

 void setup(){

   for(a = 0; a < 8; a++){

      pinMode(LED_Pin[a], OUTPUT);

   }

 }

 void loop(){

   for(a = 0; a < 8; a++){

      digitalWrite(LED_Pin[a], HIGH);

   }

   delay(1000);

   for(a = 0; a < 8; a++){

      digitalWrite(LED_Pin[a], LOW);

   }

   delay(1000);

 }

이거로 줄였는데 어떠누