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51单片机32例
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PID控制算法模拟器(原创)->恢复维护
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上拉、下拉电阻 得搞搞清楚
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与大家分享大量PCB设计资料
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PCB载电流能力计算
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mm与mil的计算工具,方便大家
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pcb生GERBER教材
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一个PCB封装查询制作的好工具
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PCB抄板密技
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双面板布线技巧
2012-9-4 11:42
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线宽与电流 请下载保存
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