项目编号：mcuclub-jj-027
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总字数：16000+
基于单片机的电子称系统研究
摘要
电子称主要以STC89C52单片机作为中心控制单元，通过HX711称重传感器进行重量检测，在配以键盘、显示电路及软件来组成。电子称不但计量准确、快速方便，更重要的自动称重、数字显示，对人们生活的影响越来越大，广受欢送。本系统的设计主要从硬件电路设计，软件编程调试，实物焊接调试等部分进行详细阐述。硬件电路主要是基于单片机STC89C52为核心的控制单元实现数据的处理，通过HX711压力传感器对数据进行采集，通过DS1302获取时间，AT24C02存储器用于存储时间和重量数据，然后将采集到的数据送到主控单片机进行处理显示，数据显示由LCD1602液晶实现，液晶显示效果稳定无闪烁。
关键词：STC89C52单片机；电子秤；压力传感器；
Abstract
The electronic scale mainly takes STC89C52 single chip microcomputer as the central control unit, carries out weight detection through HX711 load cell, and is composed of keyboard, display circuit and software. Electronic scale is not only accurate, fast and convenient in measurement, but also more important in automatic weighing and digital display, which has a growing impact on people’s lives and is widely welcomed. The design of this system mainly includes hardware circuit design, software programming and debugging, and welding debugging. The hardware is mainly based on the control unit of single chip microcomputer STC89C52 to realize data processing. The data is collected by HX711 pressure sensor, and the time is acquired by DS1302. AT24C02 memory is used to store the time and weight data, and then the collected data is sent to the main control single chip microcomputer for processing and display. The data display is realized by LCD1602, and the liquid crystal display effect is stable and flicker-free.
Key words: STC89C52 single chip microcomputer; Electronic scale; pressure sensor;
目录
摘要
Abstract
第一章 绪论
第二章 系统设计方案
第三章硬件设计
第四章软件设计
第五章 仿真测试
第六章 实物测试
第七章 结论
参考文献
附录
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