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* [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md ## GitHub repository https://github.com/holmesrichards/precadsr Submodules Latest commits for file .gitattributes From 9f0e0a275be19d54acb7a510415f15c04cb49983 Mon Sep 17 00:00:00 2001 Subject: [PATCH] initial notes for v1 front panel design and includes 2.5mm centerward shift for input and output jacks 2eebdf7ecf Add four more switches/buttons, move LED drivers onto PCB Add four more switches/buttons, move LED drivers onto PCB .../Unseen Servant/Unseen Servant.kicad_pro From c5efc87d8e154d164d448153258128679f2d6a17 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Updated LICD, alter alt-textify to handle weaker (<6v) signals - Clock rate (B100k) (not sure yet which 2 pins diameter 1.8mm size 1.8x2.4mm^2 z-position of LED center 1.6mm, 2 pins, pitch 7.5mm, size 74x15mm^2, drill diamater 1.3mm, pad diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00023_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block 4Ucon ItemNo. 10684, 7 pins, pitch 3.5mm, size 29x8.3mm^2, drill diamater 1.3mm, pad diameter 3mm, see , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 236-306 45Degree pitch 5mm size 10x9mm^2 drill 1.3mm pad 2.5mm terminal block RND 205-00075, 10 pins, dual row male, vertical entry Harwin LTek Connector, 34 pins, dual row (http://ww1.microchip.com/downloads/en/DeviceDoc/64L_VQFN_7x7_Dual_Row_%5BSVB%5D_C04-21420a.pdf 40-Lead (32-Lead Populated) Plastic Quad Flat, No Lead Package (MF) - 3x3x0.9 mm Body [TSSOP] with exposed pad TSSOP, 14 Pin (https://www.st.com/resource/en/datasheet/lsm6ds3tr-c.pdf), generated with kicad-footprint-generator Molex Mini-Fit Sr. Power Connectors, old mpn/engineering number: 5569-12A2, example for new part number: 26-60-5070, 7 Pins (https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=826576&DocType=Customer+Drawing&DocLang=English), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-144-02-xxx-DV-BE, 44 Pins per row (https://www.molex.com/pdm_docs/sd/430450201_sd.pdf), generated with kicad-footprint-generator Capacitor SMD 0201 (0603 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: http://www.tortai-tech.com/upload/download/2011102023233369053.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 48 Pin (http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_48_05-08-1704.pdf), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 2 times 1 mm² wires, basic insulation, conductor diameter 0.4mm, outer diameter 2.3mm, size source Multi-Contact FLEXI-xV 1.0 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Hirose DF63 through hole, DF11-4DP-2DSA, 2 Pins.

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