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Dot-Matrix-LED

于 2011-06-13 发布 文件大小:23KB
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  编写程序,通过8255 单元控制点阵的扫描显示,使8×8LED 点阵到小循环显示号 “□”(Programming, through the 8255 unit control the scanning dot matrix display, the 8 × 8LED dot matrix display number to small cycles " □" )

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