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485通讯的技术问题,请高手指教
2015-7-15 14:13
- 通信技术
- 6
- 1055
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亲们,能不能跟我分析下这个电路图
2015-6-10 15:13
- 德州仪器模拟论坛
- 5
- 631
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自制的电子时钟显示出问题
2015-6-8 22:18
- 侃单片机论坛
- 2
- 759
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鄙人刚刚接触单片机 各位大神们帮帮忙啊 感激不尽:'(
2015-6-8 22:14
- 侃单片机论坛
- 1
- 661
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如何利用51单片机来采集485电表的数据
2016-10-26 21:43
- 侃单片机论坛
- 24
- 5838
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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请教前辈规范的头文件应该怎么编写?
2015-6-9 08:52
- 侃单片机论坛
- 4
- 727
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真心求教485通信问题
2015-6-12 14:19
- 通信技术
- 45
- 4251
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有没有人来说说硬件工程师需要精通哪些技术啊
2015-6-8 14:16
- 侃单片机论坛
- 13
- 1906
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我的远程预付费电表用485通信
2015-6-6 15:54
- 侃单片机论坛
- 7
- 748
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上位机与485电表通信返回值错误
2015-8-5 21:11
- 通信技术
- 9
- 1921
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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高分求485芯片选型及处理?
2015-6-6 11:39
- 通信技术
- 8
- 4450
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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485总是收到自己发出的数据,但通信正常,请问怎么回事?
2018-12-27 14:22
- 通信技术
- 53
- 15323
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为什么STC12C5A60S2超声波测距输出高电平计时过长?
2015-6-6 09:17
- 侃单片机论坛
- 25
- 4709
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msp430超声波测距(msp430g2553,顶一呗)
2015-10-4 11:35
- 电子技术交流论坛
- 19
- 6070
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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求用ad9850输出正弦波c语言程序
2013-10-29 20:04
- 侃单片机论坛
- 5
- 2033
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可以在子函数中调用中断函数吗?
2016-9-2 09:20
- 侃单片机论坛
- 40
- 7650
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用定时器和延时函数模拟无线信号
2013-10-29 20:09
- 侃单片机论坛
- 4
- 1410
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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ds18b20采集到的温度不变
2015-6-7 20:00
- 侃单片机论坛
- 20
- 3961
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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为什么我用的基于430的DHT11温湿传感器每次测得温度都是2倍
2015-6-8 21:47
- 德州仪器MCU
- 4
- 1219
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