With the advancement of science and technology and the popularization of computer Internet, the traditional manual monitoring method of granary is being replaced by a more convenient and high-precision detection and control system. On the basis of single-machine local detection and control, the entire granary measurement and control system is integrated using Internet technology. Through web access, granary managers can better and faster understand the specific environmental indicators of the granary, various temperature and humidity, gas content, and control various environmental parameters by controlling motors. This paper proposes and designs a modern grain condition measurement and control system with ARM embedded development board as the core. After the embedded grain condition measurement and control system collects the signal from the sensor and processes it, the data is displayed on the web page and the LCD screen of the embedded development board. Through the TCP/IP protocol, the real-time data can be viewed online using the IE browser, and the data can be saved and printed. In addition, the motor and other equipment can be controlled through the web page. The hardware platform of this system uses the ARM9 microprocessor S3C2410, which is composed of a core board and a base board. It can collect multiple analog and digital signals; it supports standard RS232 interface and USB communication interface; it uses a human-computer interaction interface with an LCD display and a touch screen to provide a good monitoring interface for operators; the software system uses an embedded Linux operating system, and through cross-compilation mode, uses C language to write and transplant sensor drivers and motor control programs, uses Boa embedded WEB server and SQLite database to build a remote monitoring system, and uses MiniGUI graphical software system to write terminal interface programs, completing the design of the human-computer interaction interface. Chapter 1 of this paper comprehensively introduces the research background of the subject and the design of the embedded grain condition measurement and control system. Chapter 2 outlines the design of the embedded grain condition measurement and control system, including the characteristics of the embedded system and its hardware and software components, as well as various sensors and motor drivers selected in the system design. Chapter 3 elaborates on the implementation of the embedded grain condition measurement and control system, including the embedded system software development process, the driver and control program of sensors and motors, and the design and implementation of the embedded WEB remote monitoring system. Chapter 4 introduces the design of the MiniGUI software interface and the design of the application program. At the end of the paper, the completion of this project is summarized and evaluated, and suggestions are made for the development of this project.
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