# 5. 平板支撐

以超聲波測距檢測用戶平板支撐的時長，然後上傳至物聯網平台。

![](https://kittenbothk.readthedocs.io/en/latest/_images/plank.png)

### 搭建說明書

[搭建說明書下載](https://github.com/kittenbothk/kittenbothk/raw/master/Kits/fitness/images/plank.pdf)

### 參考接線

![](https://kittenbothk.readthedocs.io/en/latest/_images/plank_wire.png)

### 參考程式

{% embed url="<https://makecode.microbit.org/_bLA2urgA7L92>" %}

[參考程式下載](https://makecode.microbit.org/_bLA2urgA7L92)

### 使用方法

1. 將整組感應器放在地上，並將超聲波感應器固定在胸前的地上。
2. 開動Robotbit，等待WifiBrick連接到MakerCloud。
3. 當用戶開始平板支撐時就按下按鍵模組，裝置就會開始計時。
4. 當用戶結束測試之後再按一次按鍵模組，裝置就會計算開始到完結的時間。
5. 按下A鍵查看並發布平板支撐的維持時間。


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