1613| 2
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20个压降3V的LED,把它们排列成5*4,5个串联,然后把4列并联,把它们接到56V的电池上 |
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|小黑屋|手机版|Archiver|fpga论坛|fpga设计论坛 ( 京ICP备20003123号-1 )
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