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    <title>圓創力科技 - 8051硬體討論區</title>
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    <description>Latest 20 threads of 8051硬體討論區</description>
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      <title>8051與七段顯示器電路問題</title>
      <link>https://magiccar.let-do.com/forum.php?mod=viewthread&amp;tid=343</link>
      <description><![CDATA[此七段顯示器為共陰極,我想用8051直接去推這顆七段顯示器
不曉得是否要加限流電阻在8051與a~g之間??
或是要加在七段顯示器與PNP之間??
要如何計算七段顯示器的耗電流,8051是否足夠推動?]]></description>
      <category>8051硬體討論區</category>
      <author>gensly123</author>
      <pubDate>Tue, 31 Jul 2012 07:44:52 +0000</pubDate>
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