| 多传感器的高精度湿度测量仪 |
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| 引用本文： | 唐慧强,张敏.多传感器的高精度湿度测量仪[J].农机化研究,2010,32(4). |
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| 作者姓名： | 唐慧强 张敏 |
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| 作者单位： | 南京信息工程大学,信息与控制学院,南京,210044 |
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| 摘 要： | 介绍了一种湿度测量仪的设计方案,给出了硬件设计的总体框图;详细阐述了3款湿度传感器的信号采集电路;介绍了显示电路、电源模块、通讯接口以及湿度信号采集电路的软件设计。电路设计以高性能的JN5121为核心,简化了外围接口电路的设计,提高了系统的性价比,并利用低功耗、低价格及性能稳定的ZigBee技术构成了无线传感器网络。
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| 关 键 词： | 湿度测量仪 ADS1218 JENNIC5121 |
Multi-sensor High-precision Humidity Measuring Instrument |
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| Tang Huiqiang,Zhang Min.Multi-sensor High-precision Humidity Measuring Instrument[J].Journal of Agricultural Mechanization Research,2010,32(4). |
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| Authors: | Tang Huiqiang Zhang Min |
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| Institution: | School of Information & Control of Nanjing University of Information Science & Technology/a>;Nanjing 210044/a>;China |
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| Abstract: | The design of humidity measuring instrument is introduced,and the general schematic of the hardware design is given.The circuits of three kinds of humidity sensors are introduced in detail.The circuits of display,power supply and communication interface,and the software design are introduced.The JN5121 microcontroller is used in the design, so the hardware structure is simplified, and the cost-effective of the system is raised. By using the low power dissipation, low price technology of ZigBee, the wireless... |
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| Keywords: | humidity measuring instrument ADS1218 JENNIC5121 |
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