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 <title><![CDATA[紧急求救！！！]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-36468.html]]></link>
 <description><![CDATA[Latest 50 replies of 紧急求救！！！]]></description>
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 <description><![CDATA[工控人家园]]></description>
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 <description><![CDATA[把阴极、使能端分别连到一块，其他别管 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-36468#526338.html]]></link>
 <author><![CDATA[lisheng2005]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 22 May 2009 08:46:37 +0000]]></pubdate>
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 <description><![CDATA[这个不是单个的LED显示，而是四位一组的LED组，类似液晶，有使能段和数据输入段，具体接线要看显示器的说明书，8421能够转换出的数字范围是0-----9999的数值。另外的四个线为使能端，带锁存的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-36468#526045.html]]></link>
 <author><![CDATA[qdctsbg]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 22 May 2009 02:22:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看编程手册里面有接线图。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-36468#521893.html]]></link>
 <author><![CDATA[xyd_hsn10]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 18 May 2009 03:10:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看编程手册，有解释]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-36468#521508.html]]></link>
 <author><![CDATA[791891]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 May 2009 12:43:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不是哪个呀..就是三菱手册里的哪个SEGL指令中的接线是该怎么接的呀..指令中的输出中只有8421四条线~但七段数码管却有七条线呀??请问各位大虾其中到底是怎样接线的???]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-36468#521502.html]]></link>
 <author><![CDATA[25188400]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 May 2009 12:39:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[百度里搜一下，一大堆！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-36468#510059.html]]></link>
 <author><![CDATA[langman]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 05 May 2009 09:02:03 +0000]]></pubdate>
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