The Raspberry Pi computer is an inexpensive way to find control between external hardware and all manner of software, and thanks to the inbuilt networking that extends to control via HTML. One interesting example of this has been demonstrated by Lasse Christiansen in the form of a joke on a co-worker... they created a networked interface to the worker's electronic desk height adjustment.
By hacking relays into the control line between the legitimate desk control unit the Raspberry Pi can control them and thus the desk - remotely. And thus the joking can begin by altering the desk height through a small HTML page that runs on the computer, for example:
Although some fun can be had moving the desk and making the relays click when least expected, the project is a neat demonstration of controlling hardware over a network, so visit the project website to start learning. And for more, we're on facebook, Google+, and twitter - so follow us for news and product updates as well.
If you're looking for a more permanent way to mount circuitry to your Raspberry Pi, check out our new PiBreak - the prototyping board for the Raspberry Pi. It provides labelled breakout pins for all GPIOs, a large prototyping area with solder pads, and power rails for easy power connection:
Furthermore the PiBreak also includes mounting hardware to firmly attach it to your Raspberry Pi using a nut, bolt, and spacer - and is compatible with all revisions of both model A and B Raspberry Pi computers. For more information about our new PiBreak board, our Getting Started guide, and to order - visit the product page.