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Precadsrprecadsr to synth_mages/precadsr 2a5bb74bbd Stuff all teh scad files in aac0a4a5b4 Notes from MK's PCB livestream Footprints: - 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 the 4 pins module CMS SOT223 5 pins, pitch 3.81mm, size 18.9x7.3mm^2, drill diamater 1.3mm, pad diameter 2.1mm, size source Multi-Contact FLEXI-E 0.75 (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 SUR series connector, B15B-ZESK-1D, with boss (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator Molex Mini-Fit Jr. Power Connectors, 43915-xx06, 3 Pins (http://www.molex.com/pdm_docs/sd/559320530_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py TQFP, 48 Pin (https://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT232H.pdf#page=49), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 36 Pin (https://www.onsemi.com/pub/Collateral/561AV.PDF), generated with kicad-footprint-generator Hirose DF11 through hole, DF11-22DP-2DSA, 11 Pins per row (https://www.hirose.com/product/en/products/FH12/FH12-24S-0.5SH(55)/), generated with kicad-footprint-generator Soldered wire connection, for 3 times outer diameter, generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 4 times 0.75 mm² wires, reinforced insulation, conductor diameter 0.65mm, outer diameter 4.4mm, size source Multi-Contact FLEXI-E 0.15 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator connector Molex SPOX Connector System, 53047-0410, 4 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 XP_POWER IHxxxxDH DIP DCDC-Converter XP_POWER IHxxxxD, DIP, (https://www.xppower.com/pdfs/SF_IH.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py HTSSOP, 20 Pin (http://www.ti.com/lit/ds/symlink/cc1101.pdf#page=101), generated with kicad-footprint-generator JST XA series connector, SM14B-SURS-TF (http://www.jst-mfg.com/product/pdf/eng/eSUR.pdf), generated with kicad-footprint-generator JST ZE series connector, S6B-PH-SM4-TB (http://www.jst-mfg.com/product/pdf/eng/ePH.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 Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-150-02-xxx-DV-LC, 50 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 Molex Nano-Fit Power Connectors, 42820-32XX, With thermal vias in pads, 5 Pins per row (http://www.molex.com/pdm_docs/sd/460071105_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py LFCSP, 40 Pin (https://pdfserv.maximintegrated.com/package_dwgs/21-0140.PDF (T3255-6)), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 2 times 1.5 mm² wires, basic insulation, conductor diameter 2.4mm, see http://www.4uconnector.com/online/object/4udrawing/19965.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 804-301, 45Degree (cable under 45degree), 12 pins, pitch 2.54mm, size 20.78x6.5mm^2, drill diamater 1.2mm, pad diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00287_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_4Ucon THT.

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