^ Yup. That's part of my job... with an general-purpose FPGA-centric design, the FPGA logic can be modified over and over to let the circuit card fit many projects.
< Remembers a series of articles published in Radio Electronics magazine by PAIA, with plans and descriptions about building analogue synthesizer modules... VGA, VCO, VCF, Mixer, Keyboard, etc.
V Has built stuff from magazine articles?