在 Gea Suan Lin's Blog 看到這一篇，覺得他說得真不錯，所以我也把這一段 copy 過來..

Here’s the problem with copying:
Copying skips understanding. Understanding is how you grow.
You have to understand why something works or why something is how it is.
When you copy it, you miss that. You just repurpose the last layer instead of understanding all the layers underneath.

完全贊同這句話。
親自去作才是最重要的事..

直接Copy，就失掉成長的機會。

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vendor已經送 demo code 過來，而且已經幫你改好了.......

讀 datasheet，自己作一次？
還是直接就用了，有問題call FAE ?

當然，還有更糟的作法啦...

唉！ 當然....
可能正確的作法，老闆可能會不高興...