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 <title><![CDATA[请教下大家3.3V压降问题怎么解决呢？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1767143.html]]></link>
 <description><![CDATA[Latest 50 replies of 请教下大家3.3V压降问题怎么解决呢？]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Thu, 14 May 2026 10:03:47 +0000]]></lastBuildDate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[加了三极管解决了，原因是输出电流太小了驱动不了继电器。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1767143#2421735.html]]></link>
 <author><![CDATA[wzy139076378]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 24 Mar 2024 15:30:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[线圈也有功率要求的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1767143#2420169.html]]></link>
 <author><![CDATA[sanlihu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 18 Mar 2024 07:26:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你 用的什么驱动继电器？用单片机的话要加三极管，不能直接驱动]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1767143#2420013.html]]></link>
 <author><![CDATA[飞龙舞天]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 18 Mar 2024 00:57:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你那继电器啥型号的？线圈功率多大？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1767143#2419964.html]]></link>
 <author><![CDATA[honggun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Mar 2024 13:33:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[1楼正解，电源容量小，内阻大，同样电流情况下电源内部的压降就大一些，落到负载上的电压就小了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1767143#2419898.html]]></link>
 <author><![CDATA[zhujingyu69]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Mar 2024 04:26:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[3. 3V电源小，带不动继电器，换一个大一点3.3V电源试试]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1767143#2419896.html]]></link>
 <author><![CDATA[moyqfujian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 17 Mar 2024 03:44:01 +0000]]></pubdate>
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