![Image](/./qsource/plugin/uhome/template/assets/img/user_home_headerbg.jpg)
实用电路图分析
2011-9-15 13:24
- 电路赏析
- 136
- 42691
![](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5v单片机控制脚会把3v供电的器件电压拉高为5v?
2010-1-13 23:16
- 电路赏析
- 9
- 4823
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
忙看看这电路
2012-9-28 11:07
- 电路赏析
- 18
- 4552
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
PCB软件不为人知的技巧[转载]
2021-5-4 23:14
- 电路赏析
- 49
- 15510
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
L298N 驱动电路接线问题
2015-4-5 16:16
- 电路赏析
- 57
- 31819
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
单片机IO口驱动三极管的疑问。
2016-9-23 10:58
- 电路赏析
- 90
- 30392
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请教各位用过GPRS模块的兄弟
2009-9-22 16:06
- 通信技术
- 20
- 4967
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
公告:参会有奖!!!21ic在线研讨会最新活动细则实施
2010-3-14 09:37
- 21ic投诉|建议|站务
- 36
- 5990
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
电路设计注意事项-------电容
2021-5-4 23:45
- 电路赏析
- 187
- 46449
![](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
3
近期访客