📦 基于单片机的土壤湿度检测系统设计 - 免费下载

根据农田环境的应用需求,为快速、准确地获取农田中土壤体积含水率和水分变化信息,文中研究一种基于单片机的土壤水分检测系统的硬件结构并进行功能设计。利用湿度传感器检测土壤的水分含量,经模数转换器将采集到的湿度模拟信号转换成数字信号,送至单片机进行处理,加上外围电路对水分湿度值进行预设、显示,实现超限报警等功能。通过试验数据表明,该系统性能稳定,能为农田监测、节水灌溉提供有效、可靠的监测手段。

According to the application requirements of farmland environment,in order to obtain the information of soil volumetric water content and water change in farmland quickly and accurately,this paper studies the hardware structure of a soil moisture detection system based on single chip microcomputer and designs its function. The humidity sensor is used to detect the moisture content of the soil,and the collected humidity analog signal is converted into a digital signal by an analog-to-digital converter,what is sent to the single-chip microcomputer for processing,and the peripheral circuit is preset to display the moisture moisture value,and limit alarm and other functions is realized. The test data shows that the system has stable performance and can provide effective and reliable monitoring methods for farmland monitoring and water saving irrigation.

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