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e equipment, port equipment, offshore platform, engineering machinery, AS well AS th
http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103818.html2010/10/10 15:39:00
http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103819.html2010/10/10 15:39:00
http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103820.html2010/10/10 15:39:00
http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103821.html2010/10/10 15:40:00
http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103822.html2010/10/10 15:40:00
http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103823.html2010/10/10 15:40:00
http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103824.html2010/10/10 15:40:00
驱动7段led显示器有许多种选择,但大都局限于低输出电流。这里描述的方案采用一个作为移位寄存器连接的74als374 或74AS374八路锁存器,对每位进行移位。74als374
http://blog.alighting.cn/zhiyan/archive/2011/2/20/134174.html2011/2/20 23:19:00
t,they can not power and processing to the family quarrel,save such AS wAS formed b
http://blog.alighting.cn/hwlboke25/archive/2011/5/11/178149.html2011/5/11 14:55:00
http://blog.alighting.cn/q89481240/archive/2011/7/20/230501.html2011/7/20 23:21:00