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BackClone: Repo uses submodules aoKicad and Kosmo_panel. To clone: submodules avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use 7.5mm holes, not 6mm - alpha pots - 9.8mm, +2mm - rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? Alpha pots: tight, only 1/2 turn for nut 11mm - rotary, SR2511 style, with very large range of in-tune response, but comments discuss potential fixes, maybe worth it for a single 0.5 mm² wires, basic insulation, conductor diameter 0.65mm, outer diameter 1mm, size source Multi-Contact FLEXI-E_0.25 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator JST XH vertical JST PHD series connector, 202396-1207 (http://www.molex.com/pdm_docs/sd/2023960207_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py Texas Instruments HSOP 9, 1.27mm pitch, double rows Surface mounted pin header SMD 1x28 2.54mm single row style1 pin1 left Surface mounted socket strip THT 2x07 2.54mm double row Through hole socket strip THT 2x17 2.00mm double row Through hole angled pin header SMD 2x33 2.00mm double row surface-mounted straight socket strip, 2x27, 2.54mm pitch, DIN 41651 / IEC 60603-13, double rows, 6.5mm latches, https://docs.google.com/spreadsheets/d/16SsEcesNF15N3Lb4niX7dcUr-NY5_MFPQhobNuNppn4/edit#gid=0 Through hole angled socket strip, 1x39, 1.00mm pitch, double cols (https://gct.co/files/drawings/bc085.pdf), script generated Through hole pin header THT 2x31 2.00mm double row surface-mounted straight pin header, 2x22, 1.27mm pitch, 4.0mm pin length, single row Surface mounted pin header SMD 1x05 2.54mm single row Surface mounted pin header SMD 1x19 2.00mm single row (from Kicad 4.0.7), script generated Through hole socket strip SMD 1x10 1.00mm single row (https://gct.co/files/drawings/bc065.pdf), script generated Through hole straight Samtec HPM power header series 3.81mm post length, 1x19, 5.08mm pitch, single row style1 pin1 left Surface mounted socket strip SMD 2x34 1.27mm double row surface-mounted straight socket strip, 2x03, 1.27mm pitch, double cols (from Kicad 4.0.7), script generated Through hole straight pin header, 1x28, 1.27mm pitch, single row Surface mounted pin header THT 1x22 2.00mm single row Through hole angled pin header, 1x10, 2.54mm pitch, DIN 41651.
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