Design of multi-channel temperature and humidity acquisition system
Yu Deliang1, Fan Wenjie2, Jiang Yong1, Huang Zhaofu1, Wei Wei1
1.Chongqing Meteorological Information and Technology Support Center,Chongqing 401147; 2.China Meteorological Administration Training Centre,Beijing 100081;
Abstract：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 MSP430F149 as 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.
2018, Vol. 35 
