![Image](/./qsource/plugin/uhome/template/assets/img/user_home_headerbg.jpg)
ds18b20读取温度值偶尔出错
2020-7-23 14:32
- 新手园地
- 4
- 641
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
关于功放低频与体积的矛盾困扰
2020-8-13 17:57
- 新手园地
- 7
- 952
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
【每日话题】乐视正式退市,市值跌至 7 亿?
2020-7-29 15:42
- 21大家谈
- 69
- 2751
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
请前辈们指点做个小功率的逆变器板子
2020-7-20 15:08
- 电源技术
- 24
- 2218
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
12V到48V DC-DC升压 100W左右 用什么芯片
2020-9-14 14:24
- 电源技术
- 8
- 3710
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
分析干簧继电器的选择方法
2020-7-20 15:01
- 苍穹电子
- 3
- 536
![](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