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 ...

This another geek moment presented by Linear Tech and Digi-Key introduces the LTC2645 demonstration board. The LTC2645 demo board is a quad PWM VOUT DAC available in 8, 10, 12 bit resolutions. It is ...