井冈山大学学报（自然科学版）

基于温室和养殖孵化等场所需要及时监测环境温湿度的需求,设计了一种低成本、低功耗的无线温湿度传感器网络节点。主要介绍了节点的软硬件设计,详细阐述了DHT11温湿度传感器的时序。传感器节点的设计以超低功耗MSP430F122单片机为核心,配以DHT11和无线RF收发芯片NRF401实现了节点有效的数据采集和可靠的数据传输。节点具有功耗低、成本低、体积小、集成度高、工作稳定等优点。

We design a kind of low-cost and low-power wireless sensor node for collecting the information of temperature and humidity based on the requirements of greenhouse and hatchery.We also introduce soft-hardware design in detail.With low power consumption MSP430F122 as the core,temperature humidity sensor and single RF transceiver NRF401 chip,we realize the effective data acquisition and reliable data transmission.It has many advantages such as low power consumption,low cost,high integration,small size and stable operation.