下载后可任意编辑温湿度智能测控系统摘要本设计实现的是单片机温湿度测量与控制系统，通过在 LCD1602上实时显示室内环境的温度和相对湿度。系统采纳集温湿度传感器与A/D 转换器为一体的 DHT90 传感器芯片，通过单片机 AT89C52 处理进行显示，其它模块包括了实时时钟/日期产生电路和超限报警处理电路，对所测量的值进行实时显示和报警处理。本文介绍了基于 ATMEL 公司的 AT89C52 系列单片机的温湿度实时测量与控制系统和显示系统的设计，包括介绍了硬件结构原理，并分析了相应的软件的设计及其要点，包括软件设计流程及其程序实现。系统结构简单、有用，提高了测量精度和效率。关键词：温湿度测控 DHT90 传感器 AT89C52 单片机 LCD1602下载后可任意编辑AbstractThe design and implementation of measurement and control temperature and humidity is MCU system, through which the temperature and humidity measurement LCD1602. System adopts set temperature and humidity sensor and A/D converter for DHT90 chip microcontroller processing, through that other modules including real-time clock/date produce circuit and the off-gauge alarm circuit, the value of measurement for real-time display and alarm.The paper introduces the ATMEL company based on AT89C52 single-chip series of temperature and humidity measurement and control system and real-time display system design, including the hardware structure and principle, and the corresponding software design, including the design of the software and its key process and procedure.System structure is simple, practical, and improve the measuring precision and efficiency.Keywords: temperature and humidity control, DHT90, LCD1602, AT89C52下载后可任意编辑目录摘要.................................................................................................................IAbstract..........................................................................................................II目录.....................................................................
