Week11_01161160_劉景晟

int i;

// the setup routine runs once when you press reset:
void setup() {              
  // initialize the digital pin as an output.
  for(i=13;i>8;i--)
    pinMode(i, OUTPUT);  
}

// the loop routine runs over and over again forever:
void loop() {

      for(i=13;i>8;i--){
        digitalWrite(i, HIGH);   // turn the LED on (HIGH is the voltage level)
        delay(100);               // wait for a second
        digitalWrite(i, LOW);    // turn the LED off by making the voltage LOW

      }

      for(i=9;i<14;i++){
        digitalWrite(i, HIGH);   // turn the LED on (HIGH is the voltage level)
        delay(100);               // wait for a second
        digitalWrite(i, LOW);    // turn the LED off by making the voltage LOW
        }  
}