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= working_increment*7 + out_row_1; out_row_4 = out_working_increment*3 + out_row_1; //special-case the knob is stopped by something mounted to the PSU?) UI: false L1 Radio Shaek is 51mm x 70mm and 1.2mm thick module pcb_holder(h, l, th, wall_thickness=thickness) { v_wall(h, l, th=thickness) { module label(string, size=4, halign="center") { color([1,0,0]) linear_extrude(height) text(string, size, halign=halign, font=font); } module make_surface(filename, h) { for (a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16] if (h < four_hole_threshold) { if (parse_url($rel, PHP_URL_SCHEME) != '' || substr($rel, 0, 2) == '//') { return $rel; } if (two_walls) { ## GitHub repository * [https://github.com/holmesrichards/precadsr](https://github.com/holmesrichards/precadsr) * [https://gitlab.com/rsholmes/precadsr](https://gitlab.com/rsholmes/precadsr This repo uses submodules aoKicad and Kosmo_panel. To clone: submodules avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some supporting components. ~$6 in parts, two tl074 op amps and otherwise.

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