基于MSP430F149的多通道精密温湿度获取系统研究

Study on the System of Multichannel and Precision Temperature Humidity Acquisition Based on MSP430F149

简要介绍了1-Wire总线协议的原理和数字温度传感器DS18B20及数字湿度传感器DHT11,以及超低功耗16位混合信号处理器MSP430F149的基本特性,结合上位机PC组成了一个8通道温度和1通道湿度精密采集系统。

The principle of 1 -Wire bus protocol,the characteristics of digital temperature sensor DSISB20, humidity sensor DHT11 and the ultra low power mixed signal processor MSP430F149 are introduced ,which combined with PC formed a precise collection system with 8 channel temperature and 1 channel humidity.