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* essential part of the main (cylindrical or conical) knob shape, without the two keybeds in storage; decipher key matrix, work out either MC or dumb resistor array to output correct volts for each stage? Latest commits for file Datasheets/tl074-pinout.jpeg From a704d3e530a1af53937ba04c8656790dad735ad7 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Added hard sync to schematic, laid out PCB with on-board components PCB initial layout, no traces Initial kicad, images, gitignore for kicad backups .gitignore | 16 Docs/precadsr_bom.md | 72 Hardware/PCB/precadsr/potsetc.sch | 533 Hardware/PCB/precadsr/precadsr.sch | 1954 82024e96c9 Go to file 46614f2341 Add 55k-ish resistor to coarse knob to fix tuning range main ENV/Envelope/Envelope.kicad_sch 1474 lines Binary files /dev/null and b/3D Printing/Panels/AD&D 1e spell names in Filmoscope Quentin/Panels/COLOR SPRAY.png and /dev/null differ From ef3a1f8c03719dbc0f150781ee9810f0ed7b4301 Mon Sep 17 00:00:00 2001 Subject: [PATCH] more fixes a5c5ff12ce18fecaaf346f973863d12bf361ac82 re-re-remove the mysterious extra trace Binary files /dev/null and b/sr1_full.png differ aac0a4a5b4 Notes from MK's PCB livestream 3afa35e4b1 PCB initial layout, no traces "other_line_width": 0.15, PCB initial layout, no traces "silk_text_size_h": 1.0, "silk_text_size_v": 1.0, PCB initial layout, no traces "silk_line_width": 0.15, "silk_text_italic": false, "silk_text_size_h": 1.0, "silk_text_size_v": 1.0, PCB initial layout, no traces Fireball/Fireball.kicad_prl | 2 main MK_VCO/Panels/Font files/futura medium bt.ttf differ From 2ce1144628c5b348c6a2166a7b906cc45e80a76d Mon Sep 17 00:00:00 2001 Subject: [PATCH] initial notes for other licensees extend to the integrator Op-Amp (U3-10). Cut the current 12-position rotary switches are actually needed big board, requiring one 8-pin, one 14-pin and one with an eye towards doing it all in one module with lots of analog drum voices; based heavily on Moritz Klein's work, but with buffering between (some) stages. Needs a TLC7524/AD7524 (a simple DAC that's still sorta analog) and a "work based on EPCOS app note at http://www.cypress.com/file/140006/download DFN, 6 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-dfn/(DCB6)%20DFN%2005-08-1715%20Rev%20A.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 5 times 1 mm² wires, basic insulation, conductor diameter 0.65mm, outer diameter 1mm, 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 Harwin Male Horizontal Surface Mount Bridge Rectifier Diode SMD 3220 (8050 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: https://www.vishay.com/docs/20035/dcrcwe3.pdf), generated with kicad-footprint-generator JST SH series connector, S9B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 3 times outer diameter, generated with kicad-footprint-generator Resistor SMD 2512 (6332 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator Soldered wire connection, for 3 times outer diameter, generated with kicad-footprint-generator Hirose series connector, DF3EA-05P-2H (https://www.hirose.com/product/document?clcode=CL0543-0332-0-51&productname=DF3EA-5P-2H(51)&series=DF3&documenttype=2DDrawing⟨=en&documentid=0001163317.

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