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	<title>WCH HDK - Revision history</title>
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	<updated>2026-06-04T22:58:59Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://w.electrodragon.com/w/index.php?title=WCH_HDK&amp;diff=25664&amp;oldid=prev</id>
		<title>Chao: Created page with &quot;VDD33 - internal 3.3V VCC * Dis-Connect If VCC = 5V VIN * Connect If VCC = 3.3V VIN for 3.3V input  category: WCH&quot;</title>
		<link rel="alternate" type="text/html" href="https://w.electrodragon.com/w/index.php?title=WCH_HDK&amp;diff=25664&amp;oldid=prev"/>
		<updated>2020-03-06T13:47:37Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;VDD33 - internal 3.3V VCC * Dis-Connect If VCC = 5V VIN * Connect If VCC = 3.3V VIN for 3.3V input  &lt;a href=&quot;/w/Category:WCH&quot; title=&quot;Category:WCH&quot;&gt;category: WCH&lt;/a&gt;&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;VDD33 - internal 3.3V VCC&lt;br /&gt;
* Dis-Connect If VCC = 5V VIN&lt;br /&gt;
* Connect If VCC = 3.3V VIN for 3.3V input&lt;br /&gt;
&lt;br /&gt;
[[category: WCH]]&lt;/div&gt;</summary>
		<author><name>Chao</name></author>
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