The "serial_to_DAC_to_speaker" directory contains the Arduino code. The "serial_sender" directory contains a rather trivial C program (to run on the computer) that copies a file to a serial port.

This which allows to test the DAC and get an idea of its accuracy (which seems quite good in my tests). You can see an example of output here Once it reaches 255, you can re-play it by resetting the ...

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… ...

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