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RS485总线用于门禁系统的原理是什么
2011-9-19 17:30
- 侃单片机论坛
- 11
- 6018
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跟大家讨论一下触摸屏领域的问题?
2011-2-21 15:35
- 英飞凌MCU论坛
- 10
- 12371
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求助485中线缆电阻等通讯问题
2011-1-25 20:23
- 电子技术交流论坛
- 22
- 4481
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年轻人,深圳凭什么给你5000块工资(转贴)
2020-6-23 16:49
- 德州仪器MCU
- 192
- 20033
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单片机掉电数据没有消失??????
2010-12-1 11:28
- 侃单片机论坛
- 30
- 4970
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我爸是李刚——后续
2012-1-7 08:54
- 情感婚姻研习社
- 29
- 5035
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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MEGA48 省电模式 求解
2013-6-19 20:13
- 侃单片机论坛
- 3
- 9204
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诚招嵌入式师傅一名!
2009-11-12 14:18
- ARM技术论坛
- 47
- 9651
一道面试题
2009-10-31 20:16
- 模拟技术论坛
- 50
- 10547
AVR studio4编程环境问题 新手上路
2009-8-31 15:53
- 侃单片机论坛
- 1
- 2921
《圈圈教你玩USB》书中勘误专区
2014-9-4 09:14
- 书友会论坛
- 41
- 62762
求 CCS3.3 2407的底层函数
2009-5-25 21:48
- DSP 技术
- 2
- 2220
初学ARM,请问谁可以提供简单的电路图?
2009-5-27 10:54
- ARM技术论坛
- 17
- 4086
数字方面的硬件工程师,闲下来应该学点啥
2009-5-22 17:51
- ARM技术论坛
- 21
- 5679
寻开关电源芯片和学习资料(书)
2012-5-19 17:32
- 电源技术
- 17
- 3826
2
3
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