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这题怎么解
2016-4-14 22:30
- 新手园地
- 15
- 845
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“农民工”牌 电磁炉
2018-8-11 20:01
- 电源技术
- 25
- 2533
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请看图,帮忙看看这个电路到底能不能可靠工作?
2015-9-26 23:20
- 电源技术
- 4
- 647
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【求助】请问有没有认识这个元件的
2015-9-22 17:08
- 新手园地
- 10
- 969
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
有些关于编程的问题
2015-9-13 11:27
- ST MCU
- 11
- 1247
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【发奖啦!!】第二周,设计一个直流微安表!敢来挑战...
2015-9-8 11:03
- 新手园地
- 39
- 3704
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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你了解开关电源上各个电子元件的作用吗
2020-7-16 15:21
- 电源技术
- 211
- 25480
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
AD在win7中没有xp中的那种实时帮助功能?!
2015-8-22 14:16
- EDA 技术
- 5
- 820
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
2015 年全国大学生电子设计竞赛试题(本科组)
2015-8-21 20:30
- 新手园地
- 29
- 4087
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求助 关于AD10自动布线的问题
2015-9-11 11:27
- PCB技术
- 11
- 9548
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教二极管的作用!!
2016-3-27 17:18
- 新手园地
- 20
- 2148
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PCB四层板设计
2024-4-11 09:14
- PCB技术
- 61
- 14275
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
大神们给点建议
2015-8-9 13:09
- 侃单片机论坛
- 5
- 646
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
做了三年的技术感言
2015-8-31 07:41
- 新手园地
- 230
- 43566
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请问在这个电路中,二极管D1是不是可有可无的?
2015-8-8 12:42
- 电源技术
- 5
- 680
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
为什么单片机不能直接驱动继电器和电磁阀
2016-4-4 16:26
- 新手园地
- 60
- 11868
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一个兄弟的职业困惑
2015-8-6 15:02
- 职场生活
- 48
- 11094
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【超清视频】STMCU Nucleo板子介绍
2019-2-20 11:31
- ST MCU
- 65
- 13792
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11年毕业,工作4年后再次迷茫,大师指点
2016-3-28 15:27
- 职场生活
- 52
- 9225
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2
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