文章以射频芯片CC2540为核心,构建一个低功耗、低时延的无线数据通信网络,将实验室负载工作电流、温度、湿度等物理量实时传送到上位机。文中给出了系统硬件电路及上、下位机软件设计。测试表明系统数据传输稳定、准确,设计方案有效、可行。 The article takes radio frequency chip CC2540 as the core and constructs a wireless data communication network with low power consumption and low delay, and transmits physical quantities such as working current, temperature and humidity of the laboratory to the host computer in real time. The article gives the system hardware circuit and upper and lower computer software design. Test shows that the system data transmission is stable and accurate, the design scheme is effective and feasible.