![Image](/./qsource/plugin/uhome/template/assets/img/user_home_headerbg.jpg)
请教几幅人体红外感应电路图
2011-12-17 10:22
- 电路赏析
- 14
- 7027
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
单片机学习资料,要的留信箱
2012-3-17 16:07
- 侃单片机论坛
- 84
- 7054
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
电子元件基础教程(电子书)【热烈推荐】
2011-6-26 19:40
- 新手园地
- 40
- 4584
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
ds1305 疑惑重重
2008-3-14 09:43
- 侃单片机论坛
- 1
- 1228
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
DS1305?
2007-12-4 15:59
- 侃单片机论坛
- 1
- 1462
液晶显示问题
2008-1-30 14:10
- 图形接口设计
- 0
- 1019
2
3
近期访客