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8-lights-the-controller-design
- 八路彩灯控制器的设计.数字钟的主体是计数器,它记录并显示接受到的秒脉冲个数,其中秒和分为模 60 计数器,小时为模 24 计数器,分别产生 2 位 BCD 码-8 lights the controller design.A digital clock are the subject of counter, it recorded and display to receive the number of second pulse, including seconds and divided in