Old infrared remote controls can be a great way to interface with your projects. One of [AnalysIR’s] latest blog posts goes over the simplest way to create an Arduino based IR receiver, makin… ...

He put it all together on proto-board, although soldering the FM radio module was a bit tricky. The Arduino code is quite simple, and available for download (zip file).

Fraunhofer researchers have developed a “multi-gigabit communication module” that uses infrared light to wirelessly transfer data 46 times faster than Wi-Fi and 1,430 times faster than Bluetooth.