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BackOn amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules schematic start, and some example modules 811ef45c764021f623b8bb59234df1314fce4e91 12V, -12V and ground needed, probably up to 1amp
- Https://support.epson.biz/td/api/doc_check.php?dl=brief_MC-156_en.pdf, hand-soldering, 7.1x2.5mm^2 package.
- Are actually needed big board, requiring one.
- BGA, 20x20 grid, 17x17mm package, 1mm.
- Calibration error. This keeps.
- But the right sub-panel top_row .