多通道温湿度采集系统设计

Design of multi-channel temperature and humidity acquisition system

针对多通道温湿度采集的需求,文章介绍了一种以低功耗单片机MSP430F149作为核心处理器,以HMP155A为传感器的温湿度采集系统。重点介绍了系统方案、数模转换模块、温湿度采集模块以及多路信号选择模块的设计。详细说明了系统的软件设计流程。试验测量数据表明,系统设计方案合理,运行可靠,稳定性良好。

According to the requirements for the multi-channel temperature and humidity acquisition,a temperature and humidity acquisition system with HMP155A sensor is introduced by using a low power consumption single chip MCU MSP430F149as the core processor.The system design scheme,A/D converter,temperature-humidity acquisition and multiplex signal controller are focused introduced.The software design flow of the system is described in detail.The experimental results show that the system design is reasonable,reliable and stable.