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我制作的stm32f407的资料,一个pdf,12个程序(操作寄存器)
2014-3-3 15:02
- ST MCU
- 33
- 8523
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画PCB双层板,求大家来批判
2015-2-7 10:37
- PCB技术
- 20
- 16132
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导入pcb 发现有些管脚没连接网络怎么解决
2013-9-25 13:16
- PCB技术
- 9
- 4959
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
如何做一个异形焊盘
2012-6-6 14:26
- PCB技术
- 8
- 4679
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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2
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