基于单片机的温湿度检测系统设计与实现

Design and Implementation of the Temperature and Humidity Detection System Based on Single Chip

随着温湿度检测系统的广泛运用,不同行业和领域对温湿度检测有着不同要求和标准。系统采用SHT11芯片作为温湿度传感器,LCD1602作为显示模块,蜂鸣器作为报警模块,键盘用来设定报警值,通过ATmega64单片机给SHT11发送指令来完成检测过程。软件编程采用CodeVisionAVR,完成了各个程序模块的设计编程。实践证明,该系统电路简单、工作稳定、集成度高,调试方便测量精度高,具有一定的实用价值,能达到日常生活温湿度测量要求。

Along with widespread application of the temperature and humidity examination system,different industries and fields have different demands and standards to humidity detecting.In this system,the SHT11 chip is adopted as the temperature humidity sensor,LCD1602 is the display module,the buzzer phone is the module giving an alarm,and the keyboard is used to set up the alarm value.The system accomplishes detecting process by the ATmega64 monolithic machine dispatching instruction to SHT11.CodeVisionAVR is adopted in the software programming,and each program module has been accomplished.It is proved that the system circuit is simple and stable.Density of integration is high.Debugging is convenient.It has high measuring precision.The system has certain practical value,and it can meet the demand of temperature humidity measurement in daily life.