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单片机蜂鸣器继电器电路
2008-10-28 17:48
- 电路赏析
- 55
- 8706
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
电源纹波问题?
2008-9-6 09:56
- 模拟技术论坛
- 7
- 1508
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
找参加过电子设计大赛的朋友
2008-12-17 08:57
- 电路赏析
- 10
- 1928
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
220v交流转换成170v交流
2008-9-7 02:21
- 电源技术
- 15
- 2128
![](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)
玩过了LF2407A,准备做2812或28335板子
2008-9-22 23:05
- DSP 技术
- 7
- 1908
![](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
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