学号： *********基于 AT89C51 单片机的蔬菜大棚多点温度测试学院名称： 物理与信息工程学院 专业名称： ************ 年级班别： 2025 级 1 班 姓 名： ****** 指导老师： ****** 2025 年 04 月*****大学本科毕业论文摘要通过运用 DS18B20 数字温度传感器的测温原理和特性，利用它独特的单线总线接口方式，与 AT89C51 单片机相结合实现多点测温。并给出了测温系统中对 DS18B20 操作的 C51 编程实例。实现了系统接口简单、精度高、抗干扰能力强、工作稳定等特点。本文介绍基于 AT89C51 单片机、C 语言和 DS18B20 传感器的多点温度测量系统设计及其在 Proteus 平台下的仿真。利用 51 单片机的并行口，同步快速读取8 支 DS18B20 温度，实现了在多点温度测量系统中对多个传感器的快速精确识别和处理，并给出了具体的编程实例和仿真结果。关键词 单片机；DS18B2；Proteus 仿真；C51 编程AbstractWith using the measuring principle and characteristics of the numerical temperature sensor of DS18B20,making use of special characteristics of single line as the total line, and combine together with AT89C51 to realize several points temperature measuring. Also this paper gives the example of the C51 program which is used to operate to the DS18B20. Make system have characteristics of simple, high accuracy, strong anti- interference ability, stable work etc.This design introduced AT89C51 monolithic integrated circuit temperature control system design from the hardware and the software two aspects. A multipoint temperature measurement system based on DS18B20 and AT89C51 microcontroller is designed and simulated by Proteus in this paper, including software and hardware design of this system. The system has such advantages as novel circuit design, quick measurement speed, high measurement accuracy, and good practicality.Key words MCU；DS18B20；Proteus simulation；C51 program目录摘要.........................................................................IIAbstract..........
