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 <title><![CDATA[有没有一种装置或元器件可以把运动中的检 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1650713.html]]></link>
 <description><![CDATA[Latest 50 replies of 有没有一种装置或元器件可以把运动中的检 ..]]></description>
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 <description><![CDATA[[quote]引用第4楼小八哥于2018-05-25 08:02发表的&nbsp;&nbsp;:
一群土豪啊&#160;&#160; 我都是一个圆形铝片打一圈的孔&#160;&#160; 再加个U型光电开关 [s:39]&#160;&#160;[s:39]&#160;&#160;[s:39]&#160;&#160;[s:39]&#160;&#160;[s:39]
[/quote]

这种方式遇到高转速的时候，光电的相应可能就不够了，最好的方法还是用增 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1650713#1974867.html]]></link>
 <author><![CDATA[michael.guan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 26 May 2018 00:23:49 +0000]]></pubdate>
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 <description><![CDATA[[s:26]&nbsp;&nbsp;[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1650713#1974765.html]]></link>
 <author><![CDATA[yrm258]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 May 2018 07:31:56 +0000]]></pubdate>
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 <description><![CDATA[要想精确在铝片上均匀地多打点孔，打上千或者上万个孔U型光电装两个好区分正反转]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1650713#1974714.html]]></link>
 <author><![CDATA[二手工控电器]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 May 2018 04:02:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第4楼小八哥于2018-05-25 08:02发表的&nbsp;&nbsp;:
一群土豪啊&#160;&#160; 我都是一个圆形铝片打一圈的孔&#160;&#160; 再加个U型光电开关 [s:39]&#160;&#160;[s:39]&#160;&#160;[s:39]&#160;&#160;[s:39]&#160;&#160;[s:39]
[/quote]
这样好像不是很精确吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1650713#1974690.html]]></link>
 <author><![CDATA[wrc0124]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 May 2018 03:12:32 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第4楼小八哥于2018-05-25 08:02发表的&nbsp;&nbsp;:
一群土豪啊&nbsp;&nbsp; 我都是一个圆形铝片打一圈的孔&nbsp;&nbsp; 再加个U型光电开关 [s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]
[/quote]
电机要反转的话就很尴尬了[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1650713#1974666.html]]></link>
 <author><![CDATA[langui]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 May 2018 02:09:28 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第4楼小八哥于2018-05-25 08:02发表的&nbsp;&nbsp;:
一群土豪啊&nbsp;&nbsp; 我都是一个圆形铝片打一圈的孔&nbsp;&nbsp; 再加个U型光电开关 [s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]
[/quote]
跟编码器原理是一样的[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1650713#1974633.html]]></link>
 <author><![CDATA[nightblueblu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 May 2018 00:44:08 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第4楼小八哥于2018-05-25 08:02发表的&nbsp;&nbsp;:
一群土豪啊&#160;&#160; 我都是一个圆形铝片打一圈的孔&#160;&#160; 再加个U型光电开关 [s:39]&#160;&#160;[s:39]&#160;&#160;[s:39]&#160;&#160;[s:39]&#160;&#160;[s:39]
[/quote]
哈哈哈[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1650713#1974622.html]]></link>
 <author><![CDATA[咗臉ヅ微笑ぺ]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 May 2018 00:05:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一群土豪啊&nbsp;&nbsp; 我都是一个圆形铝片打一圈的孔&nbsp;&nbsp; 再加个U型光电开关 [s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1650713#1974619.html]]></link>
 <author><![CDATA[小八哥]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 May 2018 00:02:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[编码器了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1650713#1974618.html]]></link>
 <author><![CDATA[wangnaizhi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 May 2018 00:02:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[装个增量式编码器也叫相对式编码器就Ok了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1650713#1974617.html]]></link>
 <author><![CDATA[二手工控电器]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 24 May 2018 14:51:50 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[编码器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1650713#1974547.html]]></link>
 <author><![CDATA[南阳机修]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 24 May 2018 08:51:04 +0000]]></pubdate>
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