土壤电位检测系统的设计  

Design of Soil Potential Detection System

作　　者：方蕊 FANG Rui(Engineering Practice Training Center of Northwest Polytechnical University,Shaanxi 710082,China)

机构地区：[1]西北工业大学工程实践训练中心,陕西710082

出　　处：《集成电路应用》2023年第9期82-85,共4页Application of IC

摘　　要：阐述基于STM32F103C8T6单片机的土壤电位检测系统设计,该系统具有三路高精度微电压采集通道,通道采用了OP07高精度运算放大器将被测信号进行放大10倍后通过高精度A/D转换,保证采样的最小分辨率达到0.01mV并将所得数据通过串口与GPRS通信发送至服务器,可以达到远程的实时监测。This paper describes the design of a soil potential detection system based on the STM32F103C8T6 microcontroller.The system has three high-precision micro voltage acquisition channels,which use an OP07 high-precision operational amplifier to amplify the measured signal by 10 times and then perform high-precision A/D conversion to ensure the minimum sampling resolution reaches 0.01mV.The obtained data is sent to the server through serial port and GPRS communication,achieving remote real-time monitoring.

关 键 词：单片机 A/D转换 GPRS通信 土壤电位 实时监测 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]