02_LDE_ON_OFF -(2)

const int LED_0 = 2;  // LED 0~7번을 pin 2~9번에 연결
const int LED_1 = 3;
const int LED_2 = 4;
const int LED_3 = 5;
const int LED_4 = 6;
const int LED_5 = 7;
const int LED_6 = 8;
const int LED_7 = 9;

void setup() {
  // put your setup code here, to run once:
  pinMode(LED_0,OUTPUT);
  pinMode(LED_1,OUTPUT);
  pinMode(LED_2,OUTPUT);
  pinMode(LED_3,OUTPUT);
  pinMode(LED_4,OUTPUT);
  pinMode(LED_5,OUTPUT);
  pinMode(LED_6,OUTPUT);
  pinMode(LED_7,OUTPUT);

  digitalWrite(LED_0, HIGH);  // HIGH면 LED on, LOW면 LED off
  digitalWrite(LED_1, HIGH);
  digitalWrite(LED_2, HIGH);
  digitalWrite(LED_3, HIGH);
  digitalWrite(LED_4, HIGH);
  digitalWrite(LED_5, HIGH);
  digitalWrite(LED_6, HIGH);
  digitalWrite(LED_7, HIGH);

}

void loop() {
 
}