![Image](/./qsource/plugin/uhome/template/assets/img/user_home_headerbg.jpg)
PCB 设计原则总结
2015-8-27 20:56
- PCB技术
- 5
- 899
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
新版开张,福利送上! 一大波STM32开发板免费拿!发奖喽~
2019-8-30 15:04
- 物联网技术
- 646
- 59751
![](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)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
听说普工都涨工资到:5-6K,那么技术怎么活?
2015-5-5 20:19
- 情感婚姻研习社
- 99
- 7814
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
按键扫描函数,自写,
2015-4-14 12:44
- 侃单片机论坛
- 26
- 3463
![](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)
模拟电路分立件部分学习
2015-4-17 17:01
- 模拟技术论坛
- 12
- 1265
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
魔都买房
2015-10-4 19:49
- 情感婚姻研习社
- 103
- 17988
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
【后续】我的大厨生涯开始了
2015-6-16 10:35
- 情感婚姻研习社
- 143
- 18477
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
我喜欢一个妹子怎么办
2015-7-11 15:16
- 情感婚姻研习社
- 53
- 4052
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
光耦驱动继电器总烧光耦
2017-6-19 19:01
- 模拟技术论坛
- 110
- 26115
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
有哪些器件可以替代继电器?
2015-4-3 16:28
- 侃单片机论坛
- 2
- 684
![](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)
51单片机
2015-4-2 13:45
- 侃单片机论坛
- 10
- 927
pcb图上这种二极管哪边是正极?
2015-4-14 19:06
- 侃单片机论坛
- 25
- 9859
求助关于电子方面的学习
2015-4-4 11:45
- 模拟技术论坛
- 5
- 804
2
3
近期访客