![Image](/./qsource/plugin/uhome/template/assets/img/user_home_headerbg.jpg)
求个人体红外热释电传感器原理图
2017-3-17 09:27
- 电路赏析
- 17
- 4212
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
可以帮我设计一个10hz到500hz带宽的滤波电路吗?
2014-7-26 17:36
- 电路赏析
- 1
- 1451
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
初次画板,验证方案用的,扔砖的、喷水的一起上。。。
2016-12-8 08:13
- 电路赏析
- 32
- 6622
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
有谁用过数字电位计mcp4661这个芯片
2014-8-3 22:28
- 电路赏析
- 9
- 1786
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求一个16bit 双通道的ADC芯片
2014-8-7 18:35
- 电路赏析
- 6
- 3730
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
LM324能实现测0~2A电流吗?求一个这样的电流
2014-9-5 16:23
- 电路赏析
- 10
- 5169
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求大神帮我看看这个电路
2014-7-26 17:33
- 电路赏析
- 10
- 1522
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
求大神指导模拟乘法器芯片AD835
2018-8-4 09:45
- 电路赏析
- 18
- 10572
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
200个电路(原理图+PCB)(转)
2024-9-27 09:31
- 电路赏析
- 657
- 153638
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
2014年STM32全国巡回研讨会开放在线登记,小伙伴快来报名
2015-10-30 10:48
- ST MCU
- 64
- 11051
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
STM32F4板子程序烧不进去了
2014-7-27 17:28
- ST MCU
- 5
- 3499
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
stm32f4 中文参考手册已经发布!
2020-6-2 09:38
- ST MCU
- 51
- 25548
![](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 ADC 多通道 采集 不到数据
2014-7-29 11:39
- ST MCU
- 3
- 1612
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
NUC472大家板子都收到了,为啥我还没收到
2014-8-28 20:40
- 新唐MCU
- 43
- 4778
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
STM32F4(F2)ADC3 DMA例程改成ADC1或ADC2三部曲
2015-10-30 16:16
- ST MCU
- 6
- 9181
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
STM32定时器触发ADC采样+DMA模式参考程序
2017-2-26 09:14
- ST MCU
- 17
- 11844
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
STM32的ADC TIMTrigger_AutoInjection参考程序
2018-6-3 10:01
- ST MCU
- 4
- 2483
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
官方的STM32F1 3ADCs_DMA参考程序
2014-9-25 16:20
- ST MCU
- 2
- 1126
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
刚出炉的高集成度 iCore2 ARM FPGA 双核心板的资料,高清大图
2023-3-28 21:49
- ST MCU
- 1242
- 90591
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
殚精竭虑之作---你值得拥有(原理图+PCB)
2018-5-16 16:05
- ST MCU
- 353
- 42277
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
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