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New_footprints Added hard sync to schematic, laid out PCB with exploratory 8hp layout d952ec97f3d5e1172c33dcefe438ee5d18f8d87d Use THT electrolytics, finish SMT layout, try on quentin font for size 77735c00cc3285131373f5cfc61b82eab5963d12 Update README.md * [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) How to use the 4 pins (http://www.qingpu-electronics.com/en/products/WQP-PJ320D-72.html 3.5mm jack mic microphone phones headphones 4pins audio plug Headphones with microphone connector, 3.5mm, 4 pins module CMS SOT223 8 pins, pitch 5mm, size 20x12.6mm^2, drill diamater 1.15mm, pad diameter 3mm, see , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_4Ucon THT Terminal Block Phoenix MPT-0,5-2-2.54 pitch 2.54mm DCDC-Converter, RECOM, RECOM_R-78E-0.5, SIP-3, pitch 2.54mm, size 23.32x6.5mm^2, drill diamater 1.15mm, pad diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block WAGO 236-424 45Degree pitch 7.5mm Varistor, diameter 9mm, width 5.4mm, pitch 5mm size 12.3x14mm^2 drill 1.15mm pad 3mm Terminal Block WAGO 236-409, 45Degree (cable under 45degree), 6 pins, pitch 5mm, size 15x10.2mm^2, drill diamater 1.3mm, pad diameter 2.6mm, see http://www.farnell.com/datasheets/100425.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 236-405 45Degree pitch 7.5mm Varistor, diameter 12mm, width 4.7mm, pitch 10mm size 52.3x14mm^2 drill 1.15mm pad 3mm Terminal Block Phoenix PT-1,5-15-5.0-H pitch 5mm size 15x9.8mm^2 drill 1.3mm pad 2.5mm terminal block RND 205-00008 pitch 5mm size 10x12.6mm^2 drill 1.3mm pad 2.6mm Terminal Block WAGO 804-107 45Degree pitch 5mm size 122x14mm^2 drill 1.15mm pad 3mm single screw terminal block Metz Connect Type055_RT01504HDWU, 4 pins, pitch 5mm, size 70x9mm^2, drill diamater 1.3mm, pad diameter 2.4mm, outer diameter 2mm, size source Multi-Contact FLEXI-xV 2.5 (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 .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-120-02-xxx-DV-LC, 20 Pins per row (http://www.molex.com/pdm_docs/sd/431605304_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py SOT, 5 Pin (https://www.jedec.org/sites/default/files/docs/Mo-178c.PDF variant BA), generated with kicad-footprint-generator Hirose series connector, B15B-XASK-1 (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator JST PUD series connector, BM16B-ZESS-TBT (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator Molex 734 Male header (for PCBs); Angled solder pin 1 x 1 mm, 734-132 , 2 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 PicoBlade Connector System, 5268-02A, 2 Pins per row (https://www.molex.com/pdm_docs/sd/022057045_sd.pdf), generated with kicad-footprint-generator Hirose FH12, FFC/FPC connector, FH12-50S-0.5SH.

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