Radio Frequency Communications in Arduino Projects

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About Radio Frequency Communications In Arduino Projects

Arduino being one of the most popular development platforms is widely used by hobbyists and professional developers for designing numerous measurement and control systems. Arduino boards may be fit into wireless systems using modern wireless technologies such as XBee, Wi–Fi and Bluetooth. It is possible, however, to build effective wireless systems using common and well-known radio frequency communication technologies.This guide describes demo projects of simple wireless measurement systems operating within the FM broadcast band (88 to 108 MHz) and the ISM band in the range from 433.075 to 434.775 MHz. All projects are very simple and can be easily repeated and modified if needed. The simple source code accompanies every project as well. The FM band projects use several popular FM receiver kits including Elenco FM Radio Kit, DIY FM transmitters, Adafruit Si4713 FM RDS Radio and VMR6512 Hi-Fi FM Transmitter DIY Evaluation module. The detail explanation on how to assemble and tune FM transmitters and receivers can help the beginners to become familiar with the basics of RF circuit design. The projects describing wireless sensor circuits operating at 433 MHz are based upon using popular low-cost 433 MHz RF Transmitter and Receiver Link kits, although separate transmitter and receiver modules can be applied as well.The guide also covers the development of PC-based wireless measurement systems using Arduino and the popular Software Defined Radio Receiver USB Stick RTL2832 w/R820T.