If you have an old set of speakers that need to be spruced up, why not do so with the magic of Bluetooth? DIY enthusiast Andrzej shows off how to add a remote control into an old set of PC speakers.
The process uses some old Creative speakers, an ATmega, a cheap Bluetooth module and a few other bits of hardware to control how the volume is adjusted. It ends up being a complicated little hack that requires a bit of soldering, but it's a money-saving idea that might be worth trying. Head over to EmerytHacks for the full guide.
Adding Bluetooth remote control to computer speakers [EmerytHacks via Hack a Day]