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 <title><![CDATA[ARM9的GPIO口驱动光耦遇到的问题。]]></title>
 <link><![CDATA[http://aiothome.net/read.php?tid=21564]]></link>
 <description><![CDATA[Latest 20 replies of ARM9的GPIO口驱动光耦遇到的问题。]]></description>
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 <description><![CDATA[有木有人解答下下]]></description>
 <link><![CDATA[http://aiothome.net/read.php?tid=21564#187075]]></link>
 <author><![CDATA[zxffamily]]></author>
 <category><![CDATA[开发板硬件讨论区]]></category>
 <pubdate><![CDATA[Sun, 22 Jul 2012 09:28:13 +0000]]></pubdate>
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 <title><![CDATA[回 1楼(werookies) 的帖子]]></title>
 <description><![CDATA[嗯 谢谢你的回答哈
因为我用五六个口，都要接光耦，怕到时电流大了不得行。。我想接个三极管放大下，你觉得可行不]]></description>
 <link><![CDATA[http://aiothome.net/read.php?tid=21564#186469]]></link>
 <author><![CDATA[zxffamily]]></author>
 <category><![CDATA[开发板硬件讨论区]]></category>
 <pubdate><![CDATA[Thu, 19 Jul 2012 05:07:32 +0000]]></pubdate>
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