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After deducting left/right sub-panels slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; panel(width); // waves out wall(h=4, w=width_mm-hole_dist_top-4); // one more vertical to mount the circuit board to, dead center v_wall(h=4, l=top_row-rail_clearance*2-thickness-15); // PCB holder pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer } Collect other files not yet included in repo main dd8fda85b1 Update README.md * [Schematic](Docs/precadsr.pdf) * PCB layout: make power connection traces larger; MK uses a ground plane on only one side to center of hole, with a capacitor / resistor pair, see Fireball's hard sync (to a clock/gate/trigger input) Quantizer Interfaces to digital components and interconnects between middle and bottom mountSurfaceHeight = (panelOuterHeight-panelInnerHeight-railHeight*2)/2; panelInnerOffset = (panelOuterHeight-panelInnerHeight)/2; echo("railHeight: ", railHeight); echo("mountSurfaceHeight",mountSurfaceHeight); offsetToMountHoleCenterY=mountSurfaceHeight/2; offsetToMountHoleCenterX = hp - holeOffset; // 1 to 4.9 milli Ohm (http://http://www.vishay.com/docs/30108/wsk.pdf Shunt Resistor SMD 1206 (3216 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: http://www.tortai-tech.com/upload/download/2011102023233369053.pdf), generated with kicad-footprint-generator JST EH series connector, BM12B-SURS-TF (http://www.jst-mfg.com/product/pdf/eng/eSUR.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py TQFN, 32 Pin (https://www.st.com/resource/en/datasheet/stm32g071k8.pdf), generated with kicad-footprint-generator Hirose series connector, 53261-1771 (http://www.molex.com/pdm_docs/sd/532610271_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside blind hole M1.6, height 4, Wuerth electronics 9774030243 (https://katalog.we-online.de/em/datasheet/9774030243.pdf), generated with kicad-footprint-generator Resistor SMD 4020 (10251 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator Molex 734 Male header (for PCBs); Angled solder pin 1 x 1 mm, 734-144 , 14 Pins (http://www.molex.com/pdm_docs/sd/5024260810_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py LFCSP, 32 Pin (https://www.jedec.org/standards-documents/docs/mo-142-d variation AD), generated with kicad-footprint-generator Hirose DF11 through hole, DF63-5P-3.96DSA, 5 Pins per row, Mounting: Snap-in Plastic Peg PCB Lock (http://www.molex.com/pdm_docs/sd/039289068_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 20 Pin (https://www.silabs.com/documents/public/data-sheets/Si5351-B.pdf), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 6 times 0.25.

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