Week11徐詩涵02160811

// the setup function runs once when you press reset or power the board

void setup() {

  // initialize digital pin 13 as an output.

  pinMode(9, OUTPUT);

   pinMode(10, OUTPUT);

    pinMode(11, OUTPUT);

     pinMode(12, OUTPUT);

      pinMode(13, OUTPUT);

}

// the loop function runs over and over again forever

void loop() {

  for(int i=9;i<=13;i++)

  {

    digitalWrite(i, HIGH);   // turn the LED on (HIGH is the voltage level)

    delay(500);              // wait for a second

    digitalWrite(i, LOW);    // turn the LED off by making the voltage LOW

    delay(500);              // wait for a second

  }

}