基于 51 单片机收发系统的应用开发随着多媒体技术和网路技术的飞速进展及广泛应用,人们可以很方便地接收各种信息,越来越多的数据围绕在大家身边。同时,无线通信系统的应用普及到了家家户户,使得人们即使在室内坐着不动,都可以实现对家用电器的远距离控制。从有线电话的通讯到无线电话的通讯连接。我们的身边无处不存在着数据的采集与传输。并且无线技术已经正在成为未来的高科技通讯技术趋势。无线的应用主要在卫星电视、广播、手机通信、GPS、视频监控、火灾监测等众多领域。本设计介绍了一种基于低功耗单片机即 STC89C51 和 nRF24L01 射频芯片的点对点高速无线数据传输系统,详细讲解系统的软硬件设计。以 STC89C51 作为控制核心,通过 IO 口模拟 SPI 时序过程,采集传感器即美新公司生产的 MXC6225 加速度传感器芯片数据。再通过无线芯片 nRF24L01 发送数据,同时 MCU 接收发送来的数据并进行处理,在 1602LCD 模块上进行显示,从而实现无线通信。本设计可以传送传感器采集来的所有数据,进行数据处理分析。结果表明该系统反应灵敏、稳定可靠。关键词无线数据收发;51 单片机;nRF24L01;传感器;SPIAbstractWith the rapid development and wide application of multimedia technology and network technology, people can easily receive all kinds of information, more and more data around the side of everyone. Meanwhile, the popularity of the wireless communication system applications to every household, and the people sat still, even in the room can achieve remote control of home appliances. To a wireless telephone communication connection from a wired telephone communication. Our around the ubiquitous presence of large amounts of data collection and transmission of data. And wireless technology is becoming a high-tech communications technology trends. Wireless applications in satellite TV, radio, mobile communications, GPS, video monitoring, fire monitoring, and so many other fields.This design introduces a low-power microcontroller, STC89C51 and nRF24L01 RF chip point-to-point high-speed wireless data ...