基于nRF9E5的多点无线温湿度监控系统的设计

Multi-point Temperature and Humidity Wireless Monitoring System Design Based on nRF9E5

采用51兼容的射频SoC芯片nRF9E5及数字温湿度传感器SHT11设计了无线温湿度监控系统。根据无线通信系统特点设计了系统的硬件、软件,并进行了调试和试验运行。为了保证无线通信的可靠性,采取光电隔离、LC滤波、硬件"看门狗"作为抗干扰措施。系统具有可靠性高、可方便扩展通信节点容量等优点。

The multi-point temperature and humidity wireless monitoring system is pre sented based on the nRF9E5 CMOS chip. The hardware, software and communication protocol are designed according to the characteristic of wireless monitoring system. Anti-interference measures are utilized in both hardware and software to ensure communication reliability. The experiments results show that the system is reliable and expandable to monitor nodes.