HC595 7 segment LED assembly notes

HC595 7 segment LED assembly notes

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Old TaoBao blogs on 7 segment LED

http://i.taobao.com/u/MTMxNjQzMjc1/blog/detail.htm?spm=0.0.0.0.hRtb2N&aid=26597342

http://i.taobao.com/u/MTMxNjQzMjc1/blog/detail.htm?spm=0.0.0.0.xJvMot&aid=26598669

http://i.taobao.com/u/MTMxNjQzMjc1/blog/detail.htm?spm=0.0.0.0.98rccf&aid=26630065

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