"Learn by Play " is the idea of BachCode.
I did learn a lot by assembling this Arduino toy car.
“從遊戲中學習” 是BachCode的想法。
通過組裝這個Arduino的玩具車，我學到了很多。
Let me introduce:
L298N motor driver board, Motors
讓我介紹一下：
L298N電機驅動板 , 電機
Connect L298N motor driver boar with the two motors and battery compartment.
連接L298N電機驅動板，兩個電機，電池盒。
Ultrasonic module 超聲波模塊
ARDUINO 328 controller ARDUINO 328給力板
ARDUINO 328 controller ARDUINO 328給力板
L298N motor driver board L298N電機驅動板
Steering gear 舵機 
Connect and Test with program - Unfortunately, I got only a extremely unclear manual, and a program with error!! What a trial-and-error learning process. :)
連接和測試程序 - 不幸的是，我只有一個非常不清楚的說明書，和一個錯誤的程序！！真是一個 "嘗試和錯誤學習" 的過程！:)
My note. 我的手記
Establish the PTZ (Pan-Tilt-Zoom) and install Steering gear.
建立雲台和安裝的舵機。
Mount all component onto the rack. ....and New problem discovered !!
安裝所有組件到機架。....和.....發現新的問題！ ：|
The PTZ is damaged. I should not put it too front.
Could you see the strange angle of ultrasonic module at the front?
Lesson I learnt: Engineering design is not talking only about concept and programming. Testing in the real situation is very important.
雲台損壞了。我不應該把它放太前面。
你可看到超聲波模塊的奇怪角度。 :(
我學到的教訓：工程設計不單止是概念和編程。測試在實際情況中是非常重要的。
Some more close-ups, if you are not yet bored.
再來一些特寫，如果你還沒有厭倦。
Please email me if you need a clear manual, and a correct programming. :P
如果你需要一個明確的使用說明書，一個正確的編程，請發郵件給我。 :P
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