![Image](/./qsource/plugin/uhome/template/assets/img/user_home_headerbg.jpg)
按键消抖一般用多少时间啊?
1383814469
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承接各种收音机研发
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传感器问题请教?
1385117362
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可否帮我做下题目,我不会。万分感谢
1490871833
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能不能帮忙讲下这个消抖电路的原理
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请教各位:一个IO口怎么控制双色灯?
1490919168
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MOC3041求教
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TL431参考电压不稳定,求解决方法
1387019826
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- 12729
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
使用DC-DC降压芯片产生负电源的电路
1386763197
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- 5008
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电路板割板引线有多大影响
1386686479
- 13
- 1685
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电气间隙和爬电距离
1387507072
- 7
- 1520
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
示波器没有隔离,量桥式整流输出,打火了
1390720225
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- 1409
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看这图能正常工作吗?
1392941339
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关于开关电源问题!
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- 3
- 939
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给对PCB有兴趣的推荐个论坛
1403279110
- 2
- 1045
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直流电机的干扰问题,希望有经验的工程师解答一下 谢啦
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- 6
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低温不工作
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求限流电阻的计算方法和反向截止二极管的型号
1457481855
- 2
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好书分享:《电子工程师必备_九大系统电路识图宝典》
1719471543
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