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「課後社團-Micro:bit(3)」目錄
MarkDown
18. 超聲波測量距離
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
20. 類比溫度
課後社團-Micro:bit(3) ================= <span style="font-size:18px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="color:#494949"><span style="font-family:"Microsoft JhengHei UI", "Microsoft JhengHei", 微軟正黑體"><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="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><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=""><span style="">可以看到，傳感器在我們的日常生活中無處不在。</span><span style="">某些公共路燈會在晚上自動點亮，並在白天自動熄滅。</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:18px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="color:#494949"><span style="font-family:"Microsoft JhengHei UI", "Microsoft JhengHei", 微軟正黑體"><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="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><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=""><span style="">為什麼？實際上，這些燈使用了可以測量外部光亮度的光敏元件。</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:18px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="color:#494949"><span style="font-family:"Microsoft JhengHei UI", "Microsoft JhengHei", 微軟正黑體"><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="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><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=""><span style="">到了晚上，當外部亮度降低時，路燈會自動控制為打開。</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:18px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="color:#494949"><span style="font-family:"Microsoft JhengHei UI", "Microsoft JhengHei", 微軟正黑體"><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="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><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=""><span style="">白天天亮時，路燈會自動關閉。</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:18px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="color:#494949"><span style="font-family:"Microsoft JhengHei UI", "Microsoft JhengHei", 微軟正黑體"><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="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><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=""><span style="">在這個單元中，將學習如何使用我們的keyestudio光電傳感器和micro:bit來控制外部光的亮度。然後</span><span style="">在micro:bit的5 \* 5 LED上顯示結果。</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:18px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="color:#494949"><span style="font-family:"Microsoft JhengHei UI", "Microsoft JhengHei", 微軟正黑體"><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="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">**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="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">Micro：bit主板\* 1</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">Keyestudio micro:bit 傳感器V2擴充版\* 1</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">USB傳輸線\* 1</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">keyestudio光電傳感器\* 1</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">杜邦跳線\* 3</span></span></span></span></span></span> <span style="font-size:18px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="color:#494949"><span style="font-family:"Microsoft JhengHei UI", "Microsoft JhengHei", 微軟正黑體"><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="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">**零件介紹** ***光電池傳感器：*** <span style=""><span style="">光敏電阻或光敏電阻器（LDR）或光電池是光控可變電阻器。</span><span style="">它的原理很簡單。</span></span><span style=""><span style="">光敏電阻的電阻隨入射光強度而變化。</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:18px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="color:#494949"><span style="font-family:"Microsoft JhengHei UI", "Microsoft JhengHei", 微軟正黑體"><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="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><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=""><span style="">如果入射光強度高，則電阻減小；如果入射光強度高，則電阻減小。</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:18px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="color:#494949"><span style="font-family:"Microsoft JhengHei UI", "Microsoft JhengHei", 微軟正黑體"><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="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><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=""><span style="">如果入射光強度低，則電阻增加。</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:18px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="color:#494949"><span style="font-family:"Microsoft JhengHei UI", "Microsoft JhengHei", 微軟正黑體"><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="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><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=""><span style="">此keyestudio光電傳感器是半導體，與光敏電阻集成在一起，易於使用，接線非常方便。</span><span style="">它具有高靈敏度，快速響應，光譜特性和R值一致性的特點。</span></span><span style="">它可以應用於光敏檢測器電路，智能開關設計以及明暗激活開關電路中。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> <div class="thumb tright" style="max-width:100%; text-align:start; width:auto; margin-top:8px; margin-bottom:21px; margin-left:22px"><span style="font-size:18px"><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="clear:right"><span style="float:right"></span></span></span></span></span></span></span></span></span></span></span></span></span><div style="max-width:100%; text-align:justify"><span style="font-size:18px"><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="clear:right"><span style="float:right"><span style="box-sizing:border-box"> </span></span></span></span></span></span></span></span></span></span></span></span></span></span></div><div class="magnify" style="max-width:100%; margin-left:3px; text-align:justify"><span style="font-size:18px"><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="clear:right"><span style="float:right"><span style="box-sizing:border-box"><span style="float:right"> </span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></div> </div><span style="font-size:18px"><span style="box-sizing:border-box"><span style="list-style:none"><span style="font-style:normal"><span style="font-weight:400"><span style="color:#494949"><span style="font-family:"Microsoft JhengHei UI", "Microsoft JhengHei", 微軟正黑體"><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="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">**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; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">端口類型：類比</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">工作電壓：5V</span></span></span></span></span></span> - <span style="font-size: 1.13rem; max-width:100%"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="font-family:微軟正黑體">尺寸：30 \* 20mm</span></span></span></span></span></span>  <span style="font-size: 1.13rem; max-width:100%; text-align:justify"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="color:#494949"><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">**連接方式** <span style=""><span style="">將micro:bit插入keyestudio micro:bit傳感器V2。然後將光電管模組連接到keyestudio micro:bit傳感器擴展版。</span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size: 1.13rem; max-width:100%; text-align:justify"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="color:#494949"><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=""><span style="">如下圖所示。 </span></span></span></span></span></span></span></span></span></span></span></span></span></span> <span style="font-size: 1.13rem; max-width:100%; text-align:justify"><span style="box-sizing:border-box"><span style="display:inline-block"><span style="color:#494949"><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></span></span></span></span></span></span></span></span></span></span></span><span style="font-size: 1.13rem;">**注意：**<span style="">需要使用micro:bit的P0端，即類比輸入功能。</span></span> <span style=""></span> <span style=""></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:#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">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:#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></span></span></span></span></span></span></span></span></span></span></span><span style="font-size: 1.13rem; max-width:100%; text-align:justify"><span style="box-sizing:border-box"><span style="display:inline-block"><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=""><span style="">完成接線並接上電源後，將以上代碼發送到micro:bit。</span><span style="">您應該在micro:bit的LED矩陣上看到亮度數據。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
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18. 超聲波測量距離
