基于单片机技术的智能温湿度控制系统

The Design of Temperature and Humidity Control Instrument which is based on MCU

本设计实现的是单片机温湿度测量与控制系统,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,其它模块包括了按键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、实用,提高了测量精度和效率。

The design and implementation of measurement and control temperature and humidity is MCU sys-tem, through which the temperature and humidity measurement LCD. System adopts set temperature and humidity sensor and A/D converter for SHT11 chip microcontroller processing,through that other modules including real-time clock 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 humid-ity 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.