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本文介绍基于nRF24L01的超声波无线测距系统,通过nRF24L01无线传输模块将采集端的距离数据实时发送给主机,实现远距离的遥测。系统分为从机检测部分和主机接收显示报警部分。从机主要负责超声波的数据测量和处理,通过nRF24L01无线模块发送给主机。主机负责接收超声波检测的距离并在LCD液晶屏上显示,报警距离的参数设置可通过按键完成。当测量距离小于设置距离时,蜂鸣器和发光二极管发出声光报警。整体设计具有成本低、功耗低、传输速率高、软件设计简单以及通信稳定可靠等特点。
This article describes the nRF24L01-based ultrasonic wireless ranging system, nRF24L01 wireless transmission module will be collected by the distance data sent to the host in real time, to achieve long-range telemetry. The system is divided into the slave detection part and the host to receive the display alarm part. Slave is mainly responsible for ultrasonic data measurement and processing, sent to the host through the nRF24L01 wireless module. The host is responsible for receiving the ultrasonic detection distance and displayed on the LCD screen, the alarm distance parameter settings can be completed by the button. When the measurement distance is less than the set distance, the buzzer and light emitting diode sound and light alarm. The overall design has the characteristics of low cost, low power consumption, high transmission rate, simple software design and stable and reliable communication.