# 3.二氧化碳測量

<figure><img src="https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6uJvpXC43onNIIwhMlWo%2Fuploads%2Fwz3FGxK4rQClD0JyYLy7%2Fimage.png?alt=media&#x26;token=2b5f382d-daf8-4604-bb4e-9f5b9a69cc76" alt=""><figcaption></figcaption></figure>

人類的工業活動，例如工廠運作、駕駛汽車、使用化石燃料發電、畜牧業、使用冷氣等等都會排放二氧化碳。二氧化碳的累積會導致太陽的熱力無法離開地球，使地球升溫造成溫室效應。

### 實驗準備

#### 請同學準備以下實驗硬件:

* 未來板Lite 顯示板 / Micro:bit + Robotbit
* 二氧化碳測量儀器
* 黑色連接線

### 未來板Lite版本

#### 硬件接線

請同學將二氧化碳測量儀器連接到未來板Lite顯示板上。

<figure><img src="/files/4HBGvRD8ZWQBiTYdbzRh" alt=""><figcaption></figcaption></figure>

#### 開啟程式

請同學在未來板Lite上開啟「03\_CO2\_i2c.py」檔案。

<figure><img src="/files/sltiyodITKGeMJJVLP0g" alt=""><figcaption></figcaption></figure>

{% embed url="<https://youtu.be/t0IWq0CMLTk>" %}

#### 進行測量

未來板Lite會一直顯示測量到空氣中的二氧化碳濃度(ppm)。

<figure><img src="/files/AaHx0rj30c6H7rxhfly2" alt=""><figcaption></figcaption></figure>

#### Datalogging頁面

{% hint style="info" %}
未來板IP地址/html/co2.html
{% endhint %}

<figure><img src="/files/XS8ow4xUe5NGy0o1yPJH" alt=""><figcaption></figcaption></figure>

數據儲存在co2data資料夾

<figure><img src="/files/jQdkKkL2nSsRdp21mhQP" alt=""><figcaption></figcaption></figure>

### Micro:bit版本

#### 硬件接線

<figure><img src="/files/H98ccvrX5SJRbqrbtTzC" alt=""><figcaption></figcaption></figure>

#### 參考程式

{% embed url="<https://makecode.microbit.org/_YE3KWmYU401x>" %}

[下載參考程式](https://makecode.microbit.org/_YE3KWmYU401x)


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