98160860黃麒, 98163021張耀璇, HW10, Week12,

int sensorPin = A0;    // select the input pin for the potentiometer
int ledPin = 13;      // select the pin for the LED
int sensorValue = 0;  // variable to store the value coming from the sensor
int i=0;
void setup() {
  for(int i=13 ; i>=7 ; i--){
    pinMode(i,OUTPUT);
  }
  Serial.begin(9600);
}

void loop() {
  sensorValue = analogRead(sensorPin);    
  Serial.println("Hello World");
  for(i=7 ; i<=13 ; i++){
    digitalWrite(i-2,LOW);
    digitalWrite(i-1,HIGH);
    digitalWrite(i,HIGH);
    digitalWrite(i+1,HIGH);
    digitalWrite(i+2,LOW);
    delay(100);
  }
  for(i=13 ; i>=7 ; i--){
    digitalWrite(i-2,LOW);
    digitalWrite(i-1,HIGH);
    digitalWrite(i,HIGH);
    digitalWrite(i+1,HIGH);
    digitalWrite(i+2,LOW);
    delay(100);
  }
}