MSP430F149的无线温湿度环境实时监测系统  

Wireless and Real-time Monitoring System for Temperature and Humidity Based on MSP430F149

作　　者：刘承桥[1,2] 张耀南[2,3] 冯克庭[2,3] 李柏年[1] 杨永如 

机构地区：[1]兰州大学信息科学与工程学院,兰州730000 [2]中国科学院寒区旱区环境与工程研究所 [3]甘肃省资源环境科学数据工程技术研究中心

出　　处：《单片机与嵌入式系统应用》2015年第5期61-64,共4页Microcontrollers & Embedded Systems

基　　金：中国科学院科研装备研制项目-物质平衡自动化观测传感网络系统研制(Y228641001);中国科学院科研信息化专项-高寒环境联合监测研究云的建设与应用(Y329L51001)资助

摘　　要：介绍了一种无线温湿度实时监测系统。系统以低功耗单片机MSP430F149为主控制器,选用高精度低功耗温湿度传感器SHT21测量环境的温湿度,并采用高精度实时时钟芯片PCF8563为系统提供时间基准。系统根据实际需要设置温湿度的阈值,当所在环境的温湿度超出该阈值时,系统会发生报警,并将当前所处环境的时间、温湿度值和相关提示信息通过GPRS传输到移动终端。系统实现了对环境温湿度的无线实时监测,可适用于多种环境中。A wireless and real-time system which can monitor temperature and humidity is introduced.This system takes MSP430F149 as the low-power microcontroller,and employs SHT21 which is a high precision and low-power temperature and humidity sensor to measure the temperature and humidity.Mean while,PCF85 63 which is a high accuracy real time clock chip is applyed to provide the system＆#39;s time benchmark.This system sets the thresholds of temperature and humidity based on the actual demand,and it will give an alarm and send the local time,the value of temperature and humidity,and the relevant prompts indicates to the mobile terminal by GPRS when the value of temperature or humidity is out of the range.The system is for the wireless and real-time monitoring temperature and humidity,and could be employed in multiple environments.

关 键 词：MSP430F149 SHT21 GPRS PCF8563 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]