温度湿度论文.doc

摘要本文主要介绍的是基于单片机的温湿度计的设计,通过 LCD 显示所测量的温湿度。系统采用集温湿度传感器与 A/D 转换器为一体的 SHT11 芯片,通过单片机处理进行显示,文中详细说明了温湿度计数据采集与传输、液晶显示、加湿等功能以及实现这些功能而进行的硬件电路设计和软件程序设计。本文给出了硬件电路原理图、主程序和部分子程序流程图,通过软、硬件设计使得该款温湿度计具有智能化、高精度、高可靠性等优势,具有广阔的应用前景。此系统结构简单、实用、提高了测量精度和效率。关键词:单片机、温湿度传感器、液晶显示器 Abstract Are mainly introduced in this paper based on single-chip puter temperature and humidity meter design, through the LCD display measured by the temperature and humidity. System adopts sets and humidity sensor and A/D converter for the integration of SHT11 chip microcontroller processing, through that explained temperature and humidity data collection and transmission project, LCD display, humidifying functions and achieve these functions and design of hardware circuit and the software programming. This paper also presents the hardware circuit principle diagram, the main program and the terrorists program flowcharts, through the software and hardware design makes duckshot almost temperature and humidity plan has intelligence, high accuracy, high reliability, etc advantages, has wide application prospects. This system structure is simple, practical, improve the measurement accuracy and efficiency Keywords : MCU 、 Temperature Humidity Sensor 、 LCD 目录摘要............................................................................................................................... I Abstract ......................................................................................................................... II 第1章绪论................................................................................................................... 1 课题背景.......................................................................................................... 1 目的意义.......................................................................................................... 1 技术指标.......................................................................................................... 1 本章小结.................................