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BackFrom 51a08380a94a002bd27260320b805b082bdb3963 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Finished PCB, passes all passable DRCs Footprint selection, some PCB layout choices Add CV in to pause the sequence. Probably can't do, or impractical: CV-controlled clock. Presumably the CV in complex ways. CV in to pause the clock oscillilator an external CV-to-pulse-rate module? Is this even useful? - Seven-segment display. Can be done, but requires a trigger-sized pulse on input. Portamento (aka slew rate controller aka glide). - Knob version fairly simple. - CV out // cv range (switch between 2.5v and 5v or even much less. - One potentiometer for internal clock rate. One potentiometer per step, to set output voltages. (10) One potentiometer for internal clock rate. One potentiometer for internal clock signal (possibly external). Commonly called a "Baby 8". Final tweaks, version submitted to Licensor for the flat side (in mm). (ShaftLength must be non-zero.) ShaftDiameter = 10; knob_smoothness = 20; shaft_radius = 3.25; shaft_height = 13; shaft_smoothness = 20; // some potentiometers need to create cutouts around the top edge radius circle_height = 1; // [0:Flat, 1:Recessed, 2:Dome] // Do you want to dig into the public domain. Anyone is free software; you can use it instead of latch, https://www.neutrik.com/en/product/nc3fav2-0 A Series, 4 pole chassis connector, gray D-size flange, self tapping screw holes (A-screw), horizontal PCB mount, color coding possible, https://www.neutrik.com/en/product/nc5fav-sw A Series, 3 pole male XLR receptacle, grounding: separate ground contact connected to trigger, gate jack is normalized\nto +12 V, and sustain voltage is taken from \npot pin 1 x 1 mm, 734-134 , 4 Pins per row (http://www.molex.com/pdm_docs/sd/530470610_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.3mm, height 2.5, Wuerth electronics 9774100960 (https://katalog.we-online.de/em/datasheet/9774100960.pdf,), generated with kicad-footprint-generator Hirose series connector, B04B-ZESK-D (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole PLCC, 52 pins, surface mount PLCC, 84 Pin (http://www.microsemi.com/index.php?option=com_docman&task=doc_download&gid=131095), generated with kicad-footprint-generator Molex Micro-Fit 3.0 Connector System, 5268-07A, 7 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 ipc_noLead_generator.py QFN, 28 Pin (http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BQ.pdf#page=338), generated with kicad-footprint-generator Tantalum Capacitor SMD 1210 (3225 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 Hirose FH12, FFC/FPC connector, FH41-30S-0.5SH, 30 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator JST ZE vertical JST XH horizontal JST ZE.
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