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「課後社團-Micro:bit(3)」目錄
MarkDown
15. 碰撞感測器
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
17. 繼電器
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="">在這個單元中，將學習如何使用keyestudio簧片開關模組和micro:bit來檢測磁場，然後在micro:bit的25個LED矩陣上顯示結果。</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="">在單元中，我們使用了</span></span></span></span></span><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="color:#252525"><span style="font-family:微軟正黑體">霍爾</span></span></span></span><span style="box-sizing:border-box; max-width:100%"><span style="display:inline-block"><span style="color:#252525"><span style="font-family:sans-serif">磁性</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=""><span style="">傳感器來檢測附近是否有磁場</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=""><span style="">。</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></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微比特傳感器V2屏蔽\* 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電纜\* 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簧片開關模組\* 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">**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: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">***簧片開關模組：***</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="">keyestudio簧片開關模組主要由簧片開關組成。</span><span style="">簧片開關是一種機械磁性開關，是一種無源設備。</span><span style="">它的工作原理是磁場使簧片磁化，以便可以打開和關閉它以達到開關效果。</span><span style="">但是，由於是接觸式開關，因此其工作壽命有限，並且在傳輸和安裝的過程中容易損壞。</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="">keyestudio霍爾磁傳感器中使用的主要組件是A3144E，它是一種電子磁設備，即有源設備。</span><span style="">輸出形式是開關類型。</span><span style="">它使用磁場和霍爾效應傳感器實現非接觸式控制。</span><span style="">由於霍爾元件本身是芯片，因此其工作壽命在理論上是無限的。</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="">簧片開關已廣泛應用於家用電器，汽車，通訊，工業，醫療保健和安全領域。此外，它還可以應用於其他傳感器和電子設備，例如液位計，門磁，簧片繼電器等。</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">**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">工作電壓：DC 3.3V-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">工作電流：≥20mA</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">工作溫度：－10℃至＋ 50℃</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">檢測距離：≤10mm</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">IO接口：3針（-/ + / S）</span></span></span></span></span></span>  <span style="">將micro：bit插入keyestudio micro：bit傳感器V2擴充版。然後將簧片開關傳感器連接到keyestudio micro：bit傳感器擴充版。</span><span style="">如下圖所示。</span> <span style=""></span> <span style=""></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="">完成線的連接並接上電源後，將代碼發送到micro:bit。</span><span style="">當簧片傳感器檢測到附近有磁場時，您應該看到micro:bit的LED矩陣顯示像心臟一樣的圖案</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="">否則，它將顯示這樣的圖案</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> 延伸實驗： 
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15. 碰撞感測器
