基于AT89C52单片机的数字温度湿度测量计  

A Digital Temperature and Humidity Meter Based on Single Chip Microcomputer AT89C52

作　　者：贺廉云[1] 

机构地区：[1]德州学院机电工程系,山东德州253023

出　　处：《时代农机》2015年第9期45-46,49,共3页Times Agricultural Machinery

摘　　要：对基于AT89C52单片机的数字式温度湿度测量计进行了分析设计,由硬件电路和软件程序两部分组成。硬件电路主要包括单片机最小系统、温度湿度传感器电路、显示模块电路3个部分。文中给出了系统软件流程图。利用单片机技术来实现对温度湿度测量具有设备体积小,精度可靠性高等优点,因此在工业、农业、国防等行业有着很重要的作用。This paper made analysis on the design of digital temperature and humidity meter based on AT89C52 single chip microcomputer,it consists of two parts,including hardware circuit and software program.Hardware circuit mainly includes single chip microcomputer minimum system,temperature and humidity sensor circuit and the circuit of display module.The flow chart of system software are also given out in this paper.To measure temperature and humidity with single chip microcomputer technology would be accurate and reliable,and the equipment is small in siz,thus it is of great importance in industry,agriculture,national defense and other industries.

关 键 词：单片机 温度湿度传感器 液晶显示屏 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]