Yes, your Arduino has ADC and PWM, but if you need a true analog output, you should add analog capability to your Arduino board with the help of an external DAC. The nifty MCP4725 chip could be a ...

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… ...

Based around Arduino, the quality and quantity of his build notes make this a fascinating read and there are several examples to listen to.

Mayhew Labs have unveiled a new DAC add-on board they have created for the Arduino platform in the form of the Extended DAC Shield that takes the form of a high-speed, precision, eight channel ...