| LM331与PIC16F73单片机实现数据采集 |
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| 引用本文： | 刘金华,皮大能,程彩云. LM331与PIC16F73单片机实现数据采集[J]. 自动化技术与应用, 2009, 28(11): 116-119 |
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| 作者姓名： | 刘金华 皮大能 程彩云 |
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| 作者单位： | 1. 湖北师范学院控制科学与工程系,湖北,黄石,435002
2. 黄石市建设工程设计审查事务所,湖北,黄石,435000 |
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| 摘 要： | 给出了一种应用V／F转换器LM331芯片组成的A／D转换电路，通过PIC16F73单片机实现数据采集，介绍了采集系统的硬件构成与软件框图和相关程序。具有电路结构简单、价格低廉、同时具有转换精度高等特点，适用于对速度要求不太高场合的数据采集。
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| 关 键 词： | V/F转换器 PIC16F73单片机 频率-数字信号变换 数据采集 |
Data Acquisition Based on the LM331 and PIC16F73 SCM |
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| LIU Jin-hua,PI Da-neng,CHENG Cai-yun. Data Acquisition Based on the LM331 and PIC16F73 SCM[J]. Techniques of Automation and Applications, 2009, 28(11): 116-119 |
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| Authors: | LIU Jin-hua PI Da-neng CHENG Cai-yun |
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| Affiliation: | LIU Jin-hua, PI Da-neng, CHENG Cai-yun( 1. Department of Control Science＆Engineering, Hubei Normal University, Huangshi 435002 China ; 2. Construction Project Design Censor Office of Huangshi City, Huangshi 435000 China ) |
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| Abstract: | This paper introduces a data acquisition system based on the PIC 16F73 SCM, where the V/F converter LM331 chip is used as an A/D converter. The hardware and software of the system are also introduced. The circuit is simple, the cost is low, and the conversion accuracy of the system is high. |
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| Keywords: | V/F converter PIC 16F73 SCM frequency-digital signal conversion data acquisition |
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