從Arduino板傳送LED狀態to電腦實習

 int led[]={2,3,4,5,6,7,8,9};

int i=0,j;

void setup() {

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

  Serial.begin(9600);

  for(i=0;i<8;i++)

  {

    pinMode(led[i],OUTPUT);

  }

}

void loop() {

  // put your main code here, to run repeatedly:

  Serial.print("LED = ");

  for(j=0;j<8;j++)

  {

    if(j==i) Serial.print("1");

    else  Serial.print("0");

  }

  Serial.println();

  digitalWrite(led[i],HIGH);delay(1000);

  digitalWrite(led[i],LOW);

  i++;

  if(i>7)

      i=0;

  }