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I explored this thing a while back so i just took a lool again. The xfm2 page has a BOM so you just have to source the parts yourself, which are really just the fpga chip, dac, and then a few components which you put together on a portotyping board. No smt soldering is needed. They have a resources page and schematics and all that. They also have files for pcbs that you can have made instesd of using a protoyping board. Looks like theres a basic board snd extended board depending on what your end goal is
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