# 4. 開關燈掣

{% embed url="<https://youtu.be/B7Q41V-2Fsk>" %}

## 接線圖

<figure><img src="https://879637118-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6uJvpXC43onNIIwhMlWo%2Fuploads%2FBQ2hMrKVWrQ61Br0jcBP%2Flightswitch_wiring.png?alt=media&#x26;token=4ba5e262-f5f1-4a56-bcf9-a5fb316a929f" alt=""><figcaption></figcaption></figure>

## 參考程式

{% embed url="<https://microsoft.github.io/microcode/#JfiSPgtLKJcKL7oBC0solgovuwEBAQEA>" %}