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「課後社團-Micro:bit(3)」目錄
MarkDown
24. 空氣中的易燃氣體
1. keyestudio 37 in 1 Starter Kit for BBC micro:bit
1-1 套件清單
1-2 Keyestudio感測器擴充板
2. LED燈
2-1 閃爍LED
2-2 呼吸LED
2-3 LED閃爍與呼吸燈
3. 蜂鳴器
3-1 蜂鳴器模組發出聲音
3-2 蜂鳴器模組播放音樂
4. RGB LED模組更改顏色
5. 按鈕控制
6. 傾斜控制
7. 光遮斷器
8. 電容式觸控
9. 紅綠燈
10. 磁力感測
11. 循跡
12. 避障
13. 紅外線人體移動感測器
14. 火警警報
15. 碰撞感測器
16. 電磁開關
17. 繼電器
18. 超聲波測量距離
19. 燈光亮度
20. 類比溫度
21. 聲音傳感器
22. 類比旋轉電位器
23. 空氣中的酒精含量
24. 空氣中的易燃氣體
25. 環境溫度檢測
26. 環境光線亮度
27. 植物自動澆水器
28. 水位警報
29. 紫外線檢測
30. 空氣中的蒸氣
31. 壓力檢測
32. 震動控制LED燈開關
33. Joystick遊戲搖桿
34. 伺服馬達
35. 液晶模組
26. 環境光線亮度
課後社團-Micro:bit(3) ================= <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style=""><span style="">在以前單元20「類比溫度」中，我們僅獲得當前環境中溫度的類比值。</span><span style="">現在，我們將使用LM35線性溫度傳感器來檢測環境溫度。</span><span style="">最後，通過計算獲得當前環境的特定溫度值，並將其顯示在micro:bit LED矩陣上。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block">**所需零件**</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> - <span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block">Micro：bit主板\* 1</span></span></span></span></span></span> - <span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block">Keyestudio micro:bit傳感器V2擴充版\* 1</span></span></span></span></span></span> - <span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block">USB傳輸線\* 1</span></span></span></span></span></span> - <span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block">keyestudio LM35線性溫度傳感器\* 1</span></span></span></span></span></span> - <span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block">杜邦跳線\* 3</span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block">**組件介紹**</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block">***LM35線性溫度傳感器：***</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style=""><span style="">它基於半導體LM35溫度傳感器，</span><span style="">它可用於檢測環境溫度。</span><span style="">該傳感器的功能範圍為0攝氏度至100攝氏度。</span><span style="">靈敏度為每攝氏度10mV。</span><span style="">輸出電壓與溫度成正比。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size:14px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style=""><span style=""></span></span><span style=""><span style="">信號輸出電壓和攝氏度之間存在線性關係。</span><span style="">計算公式如下：0℃時，輸出0V； 0℃時，輸出0V。</span><span style="">每增加1℃，輸出電壓將增加10mV。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size: 1.13rem;"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="max-width: 100%;"><span style="box-sizing:border-box"><span style="display:inline-block">**規格**</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> - <span style="font-size: 1.13rem;"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="max-width: 100%;"><span style="box-sizing:border-box"><span style="display:inline-block">靈敏度：每攝氏度10mV</span></span></span></span></span></span></span> - <span style="font-size: 1.13rem;"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="max-width: 100%;"><span style="box-sizing:border-box"><span style="display:inline-block">功能範圍：0℃至100℃</span></span></span></span></span></span></span> - <span style="font-size: 1.13rem;"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="max-width: 100%;"><span style="box-sizing:border-box"><span style="display:inline-block">尺寸：30 \* 20mm</span></span></span></span></span></span></span>  <div style="max-width:100%; text-align:start; margin-bottom:2px"><span style="font-size: 1.13rem;"><span style="box-sizing:border-box"><span style="color:#494949"><span style="font-family:"Microsoft JhengHei UI", "Microsoft JhengHei", 微軟正黑體"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-weight:400"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="max-width: 100%;"><span style="box-sizing:border-box"><span style="display:inline-block">**連接方式**</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></div><span style="font-size: 1.13rem;"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="font-variant-ligatures:normal"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="line-height:inherit"><span style="color:#252525"><span style="font-family:sans-serif"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體"><span style="max-width: 100%;"><span style="box-sizing:border-box"><span style="display:inline-block"><span style=""><span style="">將micro：bit插入keyestudio micro：bit傳感器V2防護罩。</span><span style="">然後將LM35傳感器連接到keyestudio micro：bit傳感器護罩。</span><span style="">將信號引腳連接到P0接頭，+引腳連接到V1接頭，接地。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>   <span style="font-size: 1.25rem; max-width:100%; text-align:justify"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-weight:400"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial">範例結果</span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size: 1.25rem; max-width:100%; text-align:justify"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="color:#252525"><span style="font-family:sans-serif"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-weight:400"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"></span></span></span></span></span></span></span></span></span></span></span></span><span style="font-size: 0.88rem; max-width:100%; text-align:start"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="color:#252525"><span style="font-style:normal"><span style="font-variant-ligatures:normal"><span style="font-weight:400"><span style="white-space:normal"><span style="text-decoration-thickness:initial"><span style="text-decoration-style:initial"><span style="text-decoration-color:initial"><span style="font-family:微軟正黑體"><span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="">完成線的連接並接上電源後，將以上代碼發送到micro:bit。</span><span style=""><span style="">您應該看到溫度值顯示在micro:bit的LED矩陣上。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> 延伸實驗  LCD1602擴充：[https://github.com/xuefengedu/pxt-lcd1602\_CN](https://github.com/xuefengedu/pxt-lcd1602_CN)  [溫度顯示在LCD](https://makecode.microbit.org/S93505-55684-56129-10418)
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24. 空氣中的易燃氣體
