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Center pcb_holder(h=10, l=top_row-rail_clearance*2, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## Photos ### Photos ## Documentation: * [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 7.5mm holes, not 6mm - alpha pots - 9.8mm, +2mm rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? Alpha pots: barely enough to navigate fluently in preview mode. * @todo Provide an option to send CV; could also go to same bus run/stop 2x Pushbutton switches, all 2pin: - all step switches (all go to same bus) - run/stop 2x Pushbutton switches, all 2pin: - reset Pots, 3-pin: Glide attenuator (B10k) (join two left pins from below Clock rate (B100k) (not sure yet which 2 pins LED_Rectangular, Rectangular, Rectangular size 3.9x1.8mm^2 2 pins Rectangular size 3.0x2.0mm^2, 2 pins, pitch 5mm, size 45x7.6mm^2, drill diamater 1.15mm, pad diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00001_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block connector http://www.phoenixcontact.com/us/products/1778735/pdf PhoenixContact PTSM0,5 7 2,5mm vertical SMD spring clamp terminal block RND 205-00305, 9 pins, pitch 3.5mm, size 46.2x7mm^2, drill diamater 1.15mm, pad diameter 2.6mm, see http://www.farnell.com/datasheets/100425.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block Phoenix MKDS-1,5-8-5.08 pitch 5.08mm size 50.8x9.8mm^2 drill 1.3mm pad 2.6mm Terminal Block Phoenix MKDS-1,5-15 pitch 5mm size 45x12.6mm^2 drill 1.3mm pad 2.6mm Terminal Block WAGO 236-301, 45Degree (cable under 45degree), 6 pins, pitch 3.5mm, size source Multi-Contact FLEXI-xV 0.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Molex Sabre Power Connector, 46007-1102, 2 Pins per row (https://www.hirose.com/product/en/products/DF63/), generated with kicad-footprint-generator Molex Molex 1.00mm Pitch Easy-On BackFlip, Right-Angle, Bottom Contact FFC/FPC, 200528-0220, 22 Circuits (https://www.molex.com/pdm_docs/sd/2005280220_sd.pdf), generated with.

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