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「課後社團-Micro:bit(3)」目錄
MarkDown
22. 類比旋轉電位器
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
24. 空氣中的易燃氣體
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="">在這個單元中，可以學習如何使用類比酒精傳感器和micro:bit來檢測空氣中的酒精含量。</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類比酒精傳感器\* 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">**零件介紹**</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">***類比酒精傳感器：***</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="">該模擬傳感器-MQ3適用於檢測酒精，</span><span style="">它可以在呼吸分析儀中使用。</span><span style="">它具有很好的選擇性，因為它對酒精的敏感性更高，對苯的敏感性更低。</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="">可以通過旋轉傳感器上的電位器來調節靈敏度。</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="">它具有兩個信號引腳，即模擬A0和數字D0。</span><span style="">酒精濃度越高，A0值越高。</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="">當酒精濃度和A0值都達到一定值時，D0從低電平變為高電平，這可以通過電位計來控制。</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:14px"><span style="box-sizing:border-box"><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="color:#252525"><span style="font-family:sans-serif"> </span></span></span></span></span></span></span></span></span></span></span></span></span><div class="magnify" style="max-width:100%; margin-left:3px"><span style="font-size:14px"><span style="box-sizing:border-box"><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="color:#252525"><span style="font-family:sans-serif"><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: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">**規格**</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">電源：5V</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">端口類型：類比</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">簡單的驅動電路</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">穩定長壽命</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">快速響應和高靈敏度</span></span></span></span></span></span>  **連接方式** <span style=""><span style="">將micro:bit插入keyestudio micro:bit傳感器V2擴充版。然後將類比酒精模組連接到keyestudio micro:bit傳感器擴充版。</span></span> <span style=""><span style="">將VCC連接至V1接頭，接地，A0引腳連接至P0接頭。</span></span>   <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="">讀取A0信號端的值，</span><span style="">酒精濃度越高，該值越大。</span></span><span style=""><span style="">您應該看到該值顯示在micro：bit的LED矩陣上。</span></span> 延伸實驗： 
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22. 類比旋轉電位器
