Iridium is releasing its Iridium 9604 module and development kit for developers and OEMs building hybrid satellite, cellular, ...

How microcontrollers and single-board computers coordinate high-speed RF acquisition and generation. How SCPI and UART commands let simple controllers use advanced measurements without FPGA ...

Shortwave radio enthusiasts are sure to know the problem: You're trying to tune in to your favorite global broadcast only to find that the signal is fuzzy. Is it you? Your equipment? It might just be ...

如果您正在寻找两个 Arduino 模块之间的无线通信，这个项目可能会有所帮助。它使用低成本 RF 发射器和接收器，在两个 Arduino 板之间建立无线电链接，距离可达 500 英尺。数据可以以最高 2400 bps 的速率串行传输。原理图显示了接收器和发射器如何连接到两个不同 ...

Abstract: Visually impaired people face a lot of difficulties in their daily life which hinders their movement. To help them out, an arduino based smart walking cane is developed to help them out. The ...

本文旨在成为流行 RF 433MHz 发射器/接收器模块的完整指南。我将解释其工作原理，展示一些功能，并分享一个 Arduino 项目示例，您可以将其采纳并应用于您自己的项目中。 这些 RF 模块在 Arduino 爱好者中非常流行。433MHz 用于各种需要无线控制的应用中。这些模块 ...

Abstract: The RF transmitter and receiver units are the two main components of the system. In this configuration, RF signals including information on the speed limit are broadcast by the transmitter ...

[导读]射频模块由一个433mhz的射频发射器和接收器模块组成。这些是ASK(幅度移位键控)或OOK(挂钩键控)型射频模块。当发送逻辑零时，发射机完全抑制载波频率，因此在电池操作中只消耗低功率。当逻辑1被传输时，发射机是ON的，并且载波频率是满的，因此，将有 ...

[导读]有各种无线通信技术用于构建物联网应用，RF(射频)是其中之一。nRF24L01是一款工作在2.4 - 2.5 GHz (ISM频段)的单片无线电收发模块。该收发模块由一个完全集成的频率合成器、一个功率放大器、一个晶体振荡器、一个解调器、一个调制器和增强的ShockBurs协议 ...