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// special: the right-hand side tries to squeeze 6 rows into the aoKicad and Kosmo_panel. To clone: submodules 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 ## Git repository https://gitlab.com/rsholmes/precadsr Submodules From 83b013c3637bfb179ad62b90a6c8b2f5fb547c8c Mon Sep 17 00:00:00 2001 Subject: [PATCH 01/18] Added hard sync to schematic, laid out PCB with 2 copper strips SMD Solder 3-pad Jumper, 1x1.5mm rounded Pads, 0.3mm gap, open SMD Solder Jumper, 1x1.5mm Pads, 0.3mm gap, bridged with 1 copper strip SMD 1x02 2.54mm single row style1 pin1 left Surface mounted pin header SMD 1x14 1.00mm single row style1 pin1 left Surface mounted pin header THT 2x13 2.00mm double row Through hole angled pin header, 2x12, 2.54mm pitch, DIN 41651 / IEC 60603-13, double rows, 9.5mm latches, https://docs.google.com/spreadsheets/d/16SsEcesNF15N3Lb4niX7dcUr-NY5_MFPQhobNuNppn4/edit#gid=0 Through hole angled pin header THT 2x22 1.27mm double row Through hole angled pin header, 2x32, 1.00mm pitch, single row Through hole pin header THT 2x38 1.27mm double row Through hole straight socket strip, 1x14, 2.00mm pitch, 4.2mm pin length, double rows Surface mounted socket strip SMD 1x37 1.00mm single row (from Kicad 4.0.7), script generated Through hole pin header THT 2x04 2.00mm double row Through hole socket strip THT 2x29 2.54mm double row surface-mounted straight pin header, 1x15, 1.27mm pitch, double cols (from Kicad 4.0.7), script generated Surface mounted socket strip SMD 1x04 1.27mm single row (from Kicad 4.0.7), script generated Through hole straight pin header, 2x30, 2.54mm pitch, DIN 41651 / IEC 60603-13, double rows, 6.5mm latches, mounting holes, https://docs.google.com/spreadsheets/d/16SsEcesNF15N3Lb4niX7dcUr-NY5_MFPQhobNuNppn4/edit#gid=0 Through hole angled pin header, 2x05, 2.54mm pitch, double cols (from Kicad 4.0.7), script generated Surface mounted pin header SMD 1x40 1.27mm single row (from Kicad 4.0.7), script generated Through hole straight pin header, 1x25, 1.00mm pitch, 2.0mm pin length, single row style2.

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