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秀一下自己画的STM32板
2017-2-23 14:15
- PCB技术
- 7
- 2482
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请教耐压的问题
2011-10-12 22:37
- PCB技术
- 10
- 5904
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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protel 设计电路板外形Mechanical1 与 KeepOut哪个层决定呢?
2019-12-25 08:28
- PCB技术
- 19
- 29767
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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dsp+arm pcb板 请指点(已工作半年),添上pcb文件
2011-9-15 21:53
- PCB技术
- 12
- 2308
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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★★★发现一块奇板,太牛X了!★★★
2013-10-23 16:39
- PCB技术
- 71
- 9207
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