###### tags: `FD_Arduino_Class`
# 跑馬燈
## 接線圖

## Code

void setup(){
    pinMode(11,OUTPUT);
    pinMode(12,OUTPUT);
    pinMode(13,OUTPUT);
}

void loop(){
    digitalWrite(11,1);
    delay(500);
    digitalWRite(11,0);
    digitalWrite(12,1);
    delay(500);
    digitalWRite(12,0);
    digitalWrite(13,1);
    delay(500);
    digitalWRite(13,0);
}