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File Schematics/SynthMages.pretty/Perfboard_4x12.kicad_mod // Diameter of the indenting cones' centerlines from the bottom //another rib to reinforce along the LEDs //outline of whole PCB cube([137.5, 97, 1], center=true); working_increment = working_height / 6; // generally-useful spacing amount for vertical columns of stuff col_left = h_margin; col_right = width_mm - thickness*2; // pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## Photos [to be added] ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to JLCPCB on 20240124 Experimenting with more panel layout ideas left_rib_x = thickness + 6 + tolerance; rail_depth = 27.4 + tolerance; // left_panel_width = 40; // [1:1:84] left_panel_width = 16.5+16.5+10.5; //two knob, one jack, plus space between them right_panel_width = width_mm - thickness*2.5 - tolerance*6; left_rib_x = thickness * 1; //right_rib_x = width_mm - col_right + tolerance*4 + 2; // plastic walls are 2mm clf_shaft_diameter = 6.3; // the hole on the classic "Maths" module exist for modifying a CV in to pause the clock Add CV in complex ways. - CV version maybe possible, but a much bigger circuit. Haven't found a simple manual EG ~$7 in parts, mostly down to PCB edge 8.2mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 37-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 9.9mm mounting-holes-distance 63.5mm mounting-hole-offset 63.5mm 37-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.29x1.98mm, distance of mounting holes distance 47.1mm 26-pin D-Sub connector, straight/vertical, THT-mount, female, pitch 2.41x1.98mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 9-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.29x1.98mm, pin-PCB-offset 3.0300000000000002mm, distance of mounting holes 25mm, distance of mounting holes 47.1mm, distance of mounting holes to PCB edge 7.4799999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector horizontal angled 90deg THT male pitch 2.29x1.98mm pin-PCB-offset 9.4mm 62-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 9.9mm, distance of mounting holes 47.1mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.84mm pin-PCB-offset 9.4mm 15-pin D-Sub connector, solder-cups edge-mounted, male.

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