Hard-drive based media players aren't anything new, but hifi equipment actually built from old drives are somewhat rarer. At Hifiduino they're using an Arduino microprocessor to construct a DIY preamp ...

How easy is it to build your own Digital to Analog Converter (DAC)? Although you can readily purchase a wide variety of DACs these days, building your own can be very instructive, as the [Sine Lab] on ...

[Jacob] is working on his final project for the Copenhagen Institute of Interaction Design. Based around Arduino, the quality and quantity of his build notes make this a fascinating read and there are ...