![Image](/./qsource/plugin/uhome/template/assets/img/user_home_headerbg.jpg)
我的工作总结
2013-5-7 10:16
- 新手园地
- 33
- 10990
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
电路板焊接的一点问题
2009-5-26 16:45
- 新手园地
- 5
- 1804
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
为什么输入信号要接入PNP管来驱动蜂鸣器?
2015-1-31 10:31
- 新手园地
- 24
- 11529
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
怎么提供1M的时钟信号?
2009-5-26 16:35
- 新手园地
- 5
- 1507
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
各位前辈,刚学的单片机,请教一下!
2009-7-13 13:46
- 新手园地
- 4
- 1526
![](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
近期访客