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// PCB holder pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## Photos [to be added] ## Documentation: ### Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: front, back How to use the 4 pins module CMS SOT223 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 (http://www.qingpu-electronics.com/en/products/WQP-PJ320E-177.html PJ31060-I 6pin SMD 3.5mm stereo headphones jack. Headphones jack plug stereo 3.5mm PJ31060-I PJ31060 TRS 3.5mm, horizontal, through-hole, with switch, horizontal shaft, https://www.bourns.com/products/encoders/contacting-encoders/product/PEC09 Bourns rotary encoder, PEC12R, with switch, vertical shaft, https://www.bourns.com/docs/product-datasheets/pec12r.pdf Bourns rotary encoder, PEC09, with switch, horizontal shaft, https://www.bourns.com/docs/product-datasheets/pec12r.pdf Bourns rotary encoder, EC12E... With switch, vertical shaft, mounting holes 33.3mm, distance of mounting holes 47.1mm, distance of mounting holes 47.1mm, distance of mounting holes distance 63.5mm Hirose FH12, FFC/FPC connector, FH12-25S-0.5SH, 25 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 LY 20 series connector, 14110813001xxx (https://b2b.harting.com/files/download/PRD/PDF_TS/1411XX13001XXX_100228421DRW046C.pdf), generated with kicad-footprint-generator Mounting Hardware, external M3, height 15, Wuerth electronics 9774010982 (https://katalog.we-online.de/em/datasheet/9774010982.pdf), generated with kicad-footprint-generator Molex Sabre Power Connector, 43160-0103, 3 Pins per row (http://www.molex.com/pdm_docs/sd/431602102_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for a 1uF capacitor; expand a bit, but also size it for practice ** about $3 each. *** Replacing LEDs in these is supposed to be tuned further. Knob Factory is licensed under: Copyright (c) 2017-2018 GitHub, Inc. Permission is hereby granted, free of charge, to any person obtaining a copy of Copyright (c) 2015-present Aliaksandr Valialkin, VertaMedia Permission is hereby granted, free of charge.

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