This is an introduction to a single-channel, 12-bit, buffered voltage output digital-to-analog converter (DAC) with integrated EEPROM and an I 2 C compatible serial interface — the MCP4725 from ...

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 ...