本文从硬件方面详细介绍了低功耗、微型化近距离通信模块的设计问题,采用ATMEL公司的AT89C51单片机与Nordic公司的无线通信芯片nRF2401的系统组成方案。该系统使用灵活、成本低廉,可方便应用于无线监测系统、工业监控、家庭监控等领域中。 This paper introduces the design of low-power and miniaturized short-range communication module in detail from the aspect of hardware and adopts the system composition scheme of ATMEL’s AT89C51 and Nordic’s wireless communication chip nRF2401. The system is flexible and low cost and can be easily applied in the fields of wireless monitoring system, industrial monitoring and home monitoring.