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# 2023/05/10 MicroBit線迷宮自走車 ![](https://i.imgur.com/vIh3ydC.jpg) [TOC] ## 主板 ![](https://i.imgur.com/CiobJLA.jpg) --- ### 電池充電/保護線路 ![](https://i.imgur.com/H5slAJp.png) --- ### 5V 升壓電路 ![](https://i.imgur.com/AsfMdYx.png) --- ### 3.3V 穩壓線路 ![](https://i.imgur.com/2NR3DGU.png) --- ### 馬達驅動線路 ![](https://i.imgur.com/jfRoghi.png) --- ### MicroBit 接線圖 ![](https://i.imgur.com/n2gF9C2.png) --- ### 馬達/導輪零件包 ![](https://i.imgur.com/SKjOpcX.jpg) ### 前後導輪 ![](https://i.imgur.com/X31Kx9w.jpg) ### 排針零件包 ![](https://i.imgur.com/yTCQbeQ.jpg) --- ## 自走車底板組裝 ![](https://hackmd.io/_uploads/rymoIcOE3.png) ### 電池座及開關 ![](https://i.imgur.com/lcwYRCw.jpg) **1.MicroUSB 鋰電池充電插座** **2.紅色是90度的電池插座** **3.藍色是主電源開關** #### 主電源開關圖片 ![](https://hackmd.io/_uploads/SJ0rwcOVh.png) #### 鋰電池插座 ![](https://i.imgur.com/7pY5GRn.png) --- ### N20馬達插座及0.1UF電容 ![](https://i.imgur.com/jaGojLV.jpg) **1.馬達插座,插座缺口朝向車體前方** **2.[0.1uF]無極性電容** #### 0.1uF 無極性電容 ![](https://i.imgur.com/htCzX2L.png) #### 馬達插座 ![](https://i.imgur.com/fZCLD6T.png) --- ### I/O 排針焊接 ![](https://i.imgur.com/24AoG4o.jpg) **紅色框是I/O排針,分別是P0 P1 P2 P3 P4 P10 P6 P7** **藍色是I2C介面SDA SCL及3.3V/GND** **綠色是超音波測距HC-04插座** --- ## 車體組裝 ### 一.18650電池座及接線焊接 ![](https://hackmd.io/_uploads/BJ2as5OV3.png) --- ### 電池盒材料 ##### 1.18650電池座 ![](https://hackmd.io/_uploads/HJs3Kc_V3.png) ##### 2.電池座連接線 ![](https://hackmd.io/_uploads/rkURtquE2.png) --- ### 18650電池盒組裝 ##### 1.電池座焊線 ![](https://hackmd.io/_uploads/By4gcc_Eh.png) --- ##### 2.XH254線材剝線 ![](https://hackmd.io/_uploads/BkZBq5O43.png) **XH254線材剝線5mm並套熱縮套** **注意紅色線要焊在電池座標示+正極的位置** --- ##### 3.電池盒接線剝線5mm ![](https://hackmd.io/_uploads/BJIxsqu42.png) --- ##### 4.依紅黑線顏色對接上鍚 ![](https://hackmd.io/_uploads/BJiricd4h.png) --- ##### 5.套上熱縮套 ![](https://hackmd.io/_uploads/HyuPn9uNn.png) **電池盒與XH254線材對接上鍚處套上熱縮套** **熱縮套使用熱風槍或打火機加熱** #### 電池座鎖上銅柱 ![](https://hackmd.io/_uploads/S19Ah9ONn.png) #### 電池座接上主板 ![](https://i.imgur.com/5RCLJ5K.jpg) #### 電池座固定 ![](https://i.imgur.com/ndd7bZf.jpg) --- ### 二.N20馬達接線焊接及組裝 --- #### 材料 ##### 1.N20馬達及xh254接線 ![](https://hackmd.io/_uploads/S1hoacO43.png) --- ##### 2.N20馬達固定座及螺絲 ![](https://hackmd.io/_uploads/HkScCcOV3.png) --- #### 馬達接線焊接 ##### 1.xh254 接線 ![](https://i.imgur.com/9Tzi0fL.jpg) **取線長4~5 公分,剝皮0.5公分** --- ##### 2. 焊N20 馬達接線 ![](https://i.imgur.com/rioREkF.jpg) **紅色線焊在馬達標示正極的位置** --- ##### 3.鎖上固定座 ![](https://i.imgur.com/w6wcuKP.jpg) **輕輕的鎖一點就好,不要鎖緊** ![](https://hackmd.io/_uploads/rkvD0qdE2.png) --- #### 裝上馬達並鎖緊 ![](https://i.imgur.com/8P2Nqi7.jpg) --- ### 裝前後導輪 #### 前導輪 ![](https://i.imgur.com/ip4z9O4.jpg) #### 裝前導輪及固定螺絲 ![](https://i.imgur.com/uZkUrl6.jpg) ![](https://i.imgur.com/X5S3ic7.jpg) ![](https://i.imgur.com/izXdaaB.jpg) --- #### 後導輪 ![](https://i.imgur.com/pCAeeXR.jpg) #### 拆下後導輪固定螺絲 ![](https://i.imgur.com/KJ9ukQQ.jpg) #### 將拆下的螺絲先裝在主板固定孔中 ![](https://i.imgur.com/IKjsioS.jpg) **主板螺絲孔太小,需使用工具擴孔** ![](https://i.imgur.com/zmWLI14.jpg) --- ## 紅外線循跡感測板正面 ![](https://i.imgur.com/1G7upp4.jpg) ### 線路圖 ![](https://i.imgur.com/hs6b7dN.png) --- ### 100歐姆電阻的位置 ![](https://i.imgur.com/aozE42k.jpg) **R1/R3/R4/R5/R7 的位置放上100歐姆電阻** --- #### 100歐姆 0603 電阻外形 ![](https://i.imgur.com/oYazNyq.jpg) --- ### 1K電阻的位置 ![](https://i.imgur.com/DfhKLn6.jpg) **R15/R17/R18/R19/R21 的位置放上1K歐姆的電阻** #### 1K歐姆 0603 電阻外形 ![](https://i.imgur.com/OiYyaYj.jpg) --- ### 10K電阻的位置 ![](https://i.imgur.com/U5IGrbW.jpg) **R8/R10/R11/R12/R14 放上10K歐姆電阻** --- #### 10K歐姆 0603 電阻外形 ![](https://i.imgur.com/EmtyGNf.jpg) --- ### 黃色LED ![](https://i.imgur.com/F26LqWV.jpg) **SMD LED 的正面有一端綠色點,代表LED 陰極 接電源負極,另一端沒顏色代表陽極,接電源正極** **SMD LED 背面有凸字的形狀,或是三角形,代表底部接電源正極,另一尖端代表接電源負極** --- ### 黃色LED 位置 ![](https://i.imgur.com/dEgWpr7.jpg) **D1/D7 放上黃色LED** **印刷電路板上,LED的文字面印刷 "U" 字處是LED 陰極,另一端沒有印刷代表LED陽極** --- ### 紅色LED 位置 ![](https://i.imgur.com/dGC6S4b.jpg) **D3/D5 放置紅色LED** --- ![](https://i.imgur.com/FpHD1R8.jpg) --- ### 綠色LED 位置 ![](https://i.imgur.com/kze28tR.jpg) **D4 是綠色LED位置** --- ![](https://i.imgur.com/WcJRVIm.jpg) --- ## 紅外線感測板背面 ![](https://i.imgur.com/uuxDGqO.jpg) --- **有五顆紅外線感測器 U1/U3/U4/U5/U7** ![](https://i.imgur.com/6cb6kFU.jpg) --- ### TCRT5000 ![](https://i.imgur.com/57kloaT.png) ![](https://i.imgur.com/YFpNF2j.png) **紅外線感測器的固定腳及定位腳都要剪除,感測器焊在板子上時,需平貼在PCB板上.** ![](https://hackmd.io/_uploads/r1HZYGWhn.png) --- ### TCRT5000 紅外線感測器安裝位置 ![](https://i.imgur.com/7S1rKb2.jpg) ![](https://hackmd.io/_uploads/SJ3scGb2h.png) --- ### 線迷宮紅外線感測板-10 pin 連接器安裝重點 ![](https://hackmd.io/_uploads/rkftuMZ32.png) --- ### TCRT5000 紅外線感測板完成圖 --- ### 10pin 信號連接排針 **紅外線感測板 --- 車主板** **U1 --連接主板--> P0** **U3 --連接主板--> P1** **U4 --連接主板--> P2** **U5 --連接主板--> P3** **U7 --連接主板--> P10** ![](https://i.imgur.com/ipdu7UP.jpg) --- ### 車底板連接位置 ![](https://i.imgur.com/jYIcFFh.jpg) --- ### 程式實作筆記 ###### tags: `創客工作坊`

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