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 <title><![CDATA[谁能知道这电路板的功能？最好能提供图纸]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478.html]]></link>
 <description><![CDATA[Latest 50 replies of 谁能知道这电路板的功能？最好能提供图纸]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Wed, 08 Apr 2026 20:55:08 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
  </image>
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 <title><![CDATA[]]></title>
 <description><![CDATA[光耦加一个三极管，可以做隔离，或者转换电压。看你板子外电路的需求了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1875567.html]]></link>
 <author><![CDATA[195094461]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Mar 2017 00:54:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个玩玩得的吧,
已经共地,用这个光耦没有多大意义,地没有隔离.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874570.html]]></link>
 <author><![CDATA[tingfenghu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Mar 2017 09:59:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第8楼hcx2013gn于2017-03-22 21:39发表的&nbsp;&nbsp;:
可能是检测AC220V之类的电路。
[/quote]
能详细说一下你的意思吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874553.html]]></link>
 <author><![CDATA[老学生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Mar 2017 08:58:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第4楼cjm1234于2017-03-22 11:25发表的&nbsp;&nbsp;:
自己设计的，应该是脉冲电路。
[/quote]
何以见得。能否上个草图看看。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874550.html]]></link>
 <author><![CDATA[老学生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Mar 2017 08:55:10 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[4N25光藕隔离]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874451.html]]></link>
 <author><![CDATA[xiakebiao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Mar 2017 01:51:17 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874422.html]]></link>
 <author><![CDATA[douwz]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Mar 2017 00:01:54 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[百度元件图]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874402.html]]></link>
 <author><![CDATA[xuyunfei]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Mar 2017 14:04:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可能是检测AC220V之类的电路。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874393.html]]></link>
 <author><![CDATA[hcx2013gn]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Mar 2017 13:39:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[简单，百度元件图，自己按照实物就能画出来]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874126.html]]></link>
 <author><![CDATA[泰山之石]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Mar 2017 03:47:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你这有实物图纸吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874125.html]]></link>
 <author><![CDATA[苦逼工控人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Mar 2017 03:45:11 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[4N25光藕隔离]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874114.html]]></link>
 <author><![CDATA[18535550821]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Mar 2017 03:30:10 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[自己设计的，应该是脉冲电路。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874110.html]]></link>
 <author><![CDATA[cjm1234]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Mar 2017 03:25:47 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[光藕隔离]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874109.html]]></link>
 <author><![CDATA[killking998]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Mar 2017 03:23:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不好意思，上次图片没上传成功]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874108.html]]></link>
 <author><![CDATA[苦逼工控人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Mar 2017 03:21:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[图片在哪里]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1572478#1874105.html]]></link>
 <author><![CDATA[killking998]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Mar 2017 03:16:39 +0000]]></pubdate>
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