# 預載模型 數字追蹤

### 數字範例圖檔

{% file src="<https://879637118-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6uJvpXC43onNIIwhMlWo%2Fuploads%2Fehc6LSN8GOZ2VZGqoHUH%2F%E6%95%B8%E5%AD%97%E8%BF%BD%E8%B9%A4.pdf?alt=media&token=49b75cf2-c45f-470b-9f86-55b51463db23>" %}

### <mark style="color:green;">MakeCode編程</mark>

在MakeCode打開專案，點擊擴展一頁。

<figure><img src="https://kittenbothk.readthedocs.io/en/latest/_images/16-1.png" alt=""><figcaption></figcaption></figure>

在搜尋欄輸入koi 2。

<figure><img src="https://879637118-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6uJvpXC43onNIIwhMlWo%2Fuploads%2FYbwMI7rpZP04ohLJF57u%2Fkoi2_ext.gif?alt=media&#x26;token=0ed7f6c2-fae0-42be-96b9-388fe4323e9f" alt=""><figcaption></figcaption></figure>

加載成功後，積木欄會新增koi2的積木。

<figure><img src="https://879637118-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6uJvpXC43onNIIwhMlWo%2Fuploads%2FWXDIXtoDuySMZ0A8HUKM%2Fimage.png?alt=media&#x26;token=7b2e02a0-18a6-4a6f-9583-622cdb6c881a" alt=""><figcaption></figcaption></figure>

### 編程積木

<figure><img src="https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FsN6MlwBFbL3P67FzMMyL%2Fuploads%2Fg8gveE0DC4idrYoORQEx%2Fimage.png?alt=media&#x26;token=97b18306-46f0-43d8-8aba-690e1ac10ca3" alt=""><figcaption></figcaption></figure>

### 參考程式

{% hint style="info" %}
Armourbit用家請使用初始化Armourbit積木。
{% endhint %}

<figure><img src="https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6uJvpXC43onNIIwhMlWo%2Fuploads%2FPGyECwlPd2M3JqUBLDfO%2Fimage.png?alt=media&#x26;token=662ace3f-a8eb-4fbf-8a10-1d9643c88b1e" alt=""><figcaption></figcaption></figure>

{% embed url="<https://makecode.microbit.org/_T0PUDC5VtCek>" %}

[參考程式](https://makecode.microbit.org/_T0PUDC5VtCek)

#### 程式解說

1. KOI會自動追蹤數字，Micro:bit會因應追蹤到的數字卡來顯示不同圖示。
2. 按A鍵會顯示追蹤到數字卡的名稱。