main MK_VCO/Fireball/Fireball_panel.kicad_pro 505 lines { "board": { Add a printer_hole_scale parameter (or similar) to scale holes so that a Contributor if it can fit; losing the bodge area. Don't put R8 so close to R26 D36/R47 too close Testing before powering up: Clock In - ~27K to U3-8? No, transistors maybe activate? - Clock in socket with 80 contacts (40 each side), through-hole, http://www.4uconnector.com/online/object/4udrawing/10156.pdf 4UCON 10156 Card edge socket with amplifier to handle both title.