7 segment LED learning notes

Now I am reading my 3+ years old blog post on how to do 7 segment LEDs.
Seven Segment LED Display Experiments 10

2009年11月4日 下午11:00公開累計瀏覽次數 3

http://blog.yahoo.com/_ZGD2MIDSBMSKHSUJW23LXRS2EQ/articles/8572/category/My+Arduino+LED

0

I found that the big and small common cathode SSDs have different pinouts.  That is very annoying.

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