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LED模拟调光电路
2009-1-5 14:12
- 电子技术交流论坛
- 12
- 2712
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寻电子秤芯片---价格要便宜
2009-2-11 13:05
- 侃单片机论坛
- 10
- 2712
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
怎么把一个方波叠加到一个直流电压上?
2016-8-16 15:14
- 侃单片机论坛
- 137
- 28181
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绕线电阻发热后,电阻值如何变化?
2008-11-11 11:27
- 电子技术交流论坛
- 16
- 3534
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
电子制冷柜问题,附电路
2008-10-22 14:44
- Microchip
- 4
- 1860
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
继电器参数含义
2008-10-21 13:02
- 电子技术交流论坛
- 5
- 1702
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
遇到一个头疼的问题
2008-10-6 15:34
- 侃单片机论坛
- 19
- 2280
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教一个电流表设计的问题,记不清了
2008-9-10 11:56
- 侃单片机论坛
- 6
- 1603
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
老外的仪表上类似红外触摸按键,是啥
2010-3-28 02:06
- 电子技术交流论坛
- 23
- 4554
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我再为21Icbbs 做最后一点贡献. wxj1952 请进来
2012-12-18 22:57
- 侃单片机论坛
- 83
- 11268
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有权不用过期作废。
2008-6-21 16:33
- ZLG
- 5
- 1364
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求高手指点方案,降低成本!
2008-6-19 13:03
- 新手园地
- 5
- 1174
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
USB MIC 方案
2008-6-19 12:51
- 电子技术交流论坛
- 2
- 1886
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
当前主流MCU的区别与特点讨论
2013-9-17 11:32
- 侃单片机论坛
- 42
- 14706
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可以用电容对交流220分压吗?
2008-6-14 23:37
- 模拟技术论坛
- 15
- 4084
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
准备用AVR的朋友听着,AVR的ADC---极其准确!
2017-2-7 11:50
- 侃单片机论坛
- 331
- 300486
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请教,如何才能买到满意的元件呢?
2008-11-20 12:31
- 电子技术交流论坛
- 6
- 1490
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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要做这个东西怎么做?体育计时器
2008-12-19 12:24
- 侃单片机论坛
- 5
- 1523
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单片机资料
2009-11-18 20:46
- 侃单片机论坛
- 7
- 4007
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