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Back## Submodules This repo uses submodules 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) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use the 4 pins (http://www.qingpu-electronics.com/en/products/WQP-PJ320E-177.html PJ31060-I 6pin SMD 3.5mm headphones jack (http://www.china-bsun.com/Product48/1577.html headphones jack (http://www.china-bsun.com/Product48/1577.html headphones jack (http://www.china-bsun.com/Product48/1577.html headphones jack plug stereo 3.5mm PJ31060-I PJ31060 TRS 3.5mm, horizontal, through-hole, with switch, https://www.cui.com/product/resource/sj1-353xng.pdf TRS 3.5mm, horizontal, through-hole, , circular holeshttps://www.cui.com/product/resource/sj1-353xng.pdf TRS audio jack horizontal PJ311 6pin SMD 3.5mm headphones jack plug stereo 3.5mm PJ311 Headphones with microphone connector, 3.5mm, 4 pins module CMS SOT223 8 pins, pitch 5mm, size 35x9mm^2, drill diamater 1.2mm, pad diameter 2.6mm, see http://www.farnell.com/datasheets/100425.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block RND 205-00087 vertical pitch 3.5mm size 11.2x7mm^2 drill 1.2mm pad 3mm Terminal Block WAGO 236-308, 45Degree (cable under 45degree), 8 pins, pitch 2.54mm, size 10.620000000000001x6.5mm^2, drill diamater 1.5mm, 1 pads, pad diameter 3mm, see , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_TE-Connectivity THT Terminal Block Phoenix PT-1,5-14-3.5-H pitch 3.5mm size 53.2x7mm^2 drill 1.2mm pad 2.4mm Terminal Block Phoenix MKDS-3-2-5.08, 2 pins, diameter 5.0mm Tantal Electrolytic Capacitor, , http://www.vishay.com/docs/28342/058059pll-si.pdf CP Radial series Radial pin pitch 23.70mm diameter 24.4mm muRATA 1400series Inductor, Radial series, Radial, pin pitch=22.00mm, , length*width=27*11mm^2, Capacitor C Disc series Radial pin pitch 25.4mm 2W length 11.9mm diameter 4.5mm Fastron LACC Inductor, Axial series, Axial, Horizontal, pin pitch=85mm, , length*diameter=80*32.0mm^2, Electrolytic Capacitor, , http://www.vishay.com/docs/42037/53d.pdf CP Axial series Axial Horizontal pin pitch 5.00mm diameter 13mm Electrolytic Capacitor CP, Axial.
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