摘要
介绍了MSP430F147系列单片机的性能特点和湿度传感器HM1500的工作原理。基于MSP430F147系列单片机设计了一种便携式湿度仪,分析了整个设计过程,并给出了系统电路图和程序流程图。实验结果表明,湿度仪具有低功耗、体积小、使用方便和运行稳定等特点,给湿度测量和监测带来方便,满足用户的需求。
Introductions were made to performance characteristic of MSP430F 147 and working principle of humidity sensor HM 1500. Base on MSP430F147 series singlechip and the design of a portable humidity meter, having analyzed whole design process and given out system circuit diagram and program flow chart. Experimental results show that the humidity meter is with low in power consumption, small in volume, convenient in use and stable in operation etc features, humidity measurement and monitoring to bring convenience to meet the need of users.
关键词
单片机
湿度传感器
湿度仪
singlechip
humidity sensor
humidity meter