![Image](/./qsource/plugin/uhome/template/assets/img/user_home_headerbg.jpg)
可以参考这篇**
2007-3-9 23:00
- 侃单片机论坛
- 32
- 7009
![](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)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
为什么我这个MCU驱动不了数码管?
2007-2-6 00:44
- 侃单片机论坛
- 11
- 2804
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
四层pcb是用几个FR4基板组成的?
2007-2-5 20:01
- PCB技术
- 7
- 4598
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
2
3
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