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Whether you’re an avid electronics guru or an armchair robo hacker, you’ve probably encountered a situation where it would be nice for your project to communicate information wirelessly. David from uC Hobby wrote in with a cheap solution to the problem:

Need a simple, one-way, wireless data transmission for your microcontroller projects? This article will show you how to interface and properly use a $14 RF Wireless Module from SparkFun.

Simple RF Wireless Link – Link.
SparkFun’s $14 RF Wireless Module – Link.