My Hi-Fi Raspberry Pi DAC project. The Build Phase

         This is part two of my Raspberry Pi DAC project. If you  want to know how this came about, you might want to read part one So, the fun begins. The PCB are here!      Oh, happy day!.   I ordered my PCBs from PCBWay, and they're not half bad. Pads look OK, the footprints for the TPA op-amp, which had me worried a bit,  turned out nice and so did the solder mask. Of...

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My Hi-Fi Raspberry Pi DAC project. The Design Phase

    I'm in no way an audiophool audiophile, but I do like to listen to good music coming from a nice bit of quality engineered speaker and amp. I've had a Sony CD player ( CDP-X303 ES ) for a while now and while it's working nice, it has a huge drawback. I have to buy a truck load of CDs just so that I can listen to my favorite songs. I tend to have a variety of preferences, mostly based on my mood, that's why I tend to listen to...

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Transformer Coil Winding Jig

         If you can do it, then why not over-do it. At least that's what I did with this project. It started out small....just a simple motor, stick a bobbin on the end of it then wind away to you heart's content....Naaaa! I need to control this... Indeed, I do. And since  this will be a "hand winding" operation, it implies that both hands will be preoccupied with the....well, winding, of course. Therefore, who's...

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