标题: 求大神人物帮忙 [打印本页]

作者: aaasssxx    时间: 2012-4-25 12:53
标题: 求大神人物帮忙
求大神帮我画一张protel的电路图把,基于AT89S52单片机的LED显示屏。图在附件,一个74LS154和74HC595





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