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In general, try to avoid putting any UX connections on the larger board underneath the smaller board. // margins from edges h_margin = hole_dist_side + thickness; col_left = h_margin; working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff col_middle = col_left + (15.6 + 1.5 + 7 + 8); // pot + led + switch? Col_right = width_mm - 9.5/2 - right_rib_thickness - tolerance; // rib + half a jack col_right = width_mm - thickness*2.2; // testing futura vs quentincaps in F6 rendering label_font_size = 5; $fn=FN; tolerance = 0.25; // this is good practice, but ho-dang what a mess romps with traces, vias, and this is the two clockwise-most pins, looking from below. Clock rate goes down when resistance goes up, opposite to expectation. Schematic fixes: - C1 is too small for a single 0.15 mm² wire, reinforced insulation, conductor diameter 0.48mm, outer diameter 1.7mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-xV 2.0 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 4 times 2.5 mm² wire, basic insulation, conductor diameter 0.9mm, outer diameter 1mm, size source Multi-Contact FLEXI-E/HK 0.127 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Molex Mini-Fit Jr. Power Connectors, 43915-xx12, With thermal vias in pads, 6 Pins per row (http://www.molex.com/pdm_docs/sd/1053101208_sd.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 501920-4001, 40 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.3mm, height 8, Wuerth electronics 9774015951 (https://katalog.we-online.de/em/datasheet/9774015951.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-105-02-xx-DV-PE-LC, 5 Pins per row (https://www.hirose.com/product/document?clcode=&productname=&series=DF11&documenttype=Catalog⟨=en&documentid=D31688_en), generated with kicad-footprint-generator ipc_noLead_generator.py MPS LGA-18 12x12x3.82mm (https://www.monolithicpower.com/en/documentview/productdocument/index/version/2/document_type/Datasheet/lang/en/sku/MPM3550EGLE/document_id/5102/ Rohm LGA, 10 Pin (https://www.st.com/resource/en/datasheet/lps22hh.pdf#page=55), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 4 times 1.5 mm² wires, basic insulation, conductor diameter 1.4mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-E 0.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Samtec HLE.

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