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Continue? Fdd5744d78 Checkpoint after tweaking footprints some more, starting over at 14hp cd18ed43dc Added hard sync (to a clock/gate/trigger input) Quantizer Interfaces to digital components and interconnects between middle and bottom boards. Final work on PCB sandwich, making some final-ish decisions about connecting to front panel design and includes 2.5mm centerward shift for input and send reset to clk_inh to stop progressing Add cascading input and output jacks output_column = width_mm - thickness*2.5 - tolerance*6; out_row_1 = v_margin+12; Experimenting with more panel layout } Experimenting with more representative footprints. Consider adding a switch module label(string, size=4, halign="center") { // smoothing = true; cylinder_number_of_indentations = 10; // If you want finger ridges around the top edge smoothing // thanks to http://www.iheartrobotics.com/ for the Adafruit Feather 32u4 FONA board, https://learn.adafruit.com/adafruit-feather-32u4-fona Adafruit Feather 32u4 FONA board, https://learn.adafruit.com/adafruit-feather-32u4-fona Adafruit Feather series of reflective photo interrupters/couplers, see http://www.osram-os.com/Graphics/XPic6/00200860_0.pdf reflective photo interrupter SMD PhotoDiode, plastic SMD DIL, 4.5x4mm, area: 2.65x2.65mm, https://dammedia.osram.info/media/resource/hires/osram-dam-5467146/SFH%202440_EN.pdf 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 Molex 734 Male header (for PCBs); Angled solder pin 1 x 1 mm, 734-180 , 20 Pins per row (https://www.hirose.com/product/document?clcode=&productname=&series=DF11&documenttype=Catalog⟨=en&documentid=D31688_en), generated with kicad-footprint-generator JST XA series connector, S9B-XH-A (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator LED SMD 0201 (0603 Metric), square (rectangular) end terminal, IPC_7351 nominal, (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 Molex 734 Male header (for PCBs); Straight solder pin 1 x 1 mm, 734-133 , 3 pins, pitch 5mm, size 65x9mm^2, drill diamater 1.3mm, pad diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 804-305, 45Degree (cable under 45degree), 9 pins, pitch 5mm, size 71.5x15mm^2, drill diamater 1.3mm, pad diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block Phoenix PT-1,5-10-3.5-H pitch 3.5mm size 25.5x8.3mm^2 drill 1.3mm pad 2.6mm Terminal Block Phoenix MKDS-3-6-5.08, 6 pins, pitch 5.08mm, size 15.2x11mm^2, drill diamater 1.4mm, pad diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00067_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00065 45Degree pitch 10mm size 15x10.3mm^2 drill 1.3mm pad 2.5mm terminal block RND 205-00294, 9 pins, pitch 5mm, size 10x8mm^2, drill diamater 1.1mm, pad diameter 2.4mm, see http://www.4uconnector.com/online/object/4udrawing/19964.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_4Ucon THT Terminal Block Phoenix MKDS-1,5-10-5.08, 10 pins, pitch 5.08mm, size 45.7x10.6mm^2, drill diamater 1.15mm, pad diameter 3mm, see http://www.metz-connect.com/de/system/files/METZ_CONNECT_U_Contact_Katalog_Anschlusssysteme_fuer_Leiterplatten_DE_31_07_2017_OFF_024803.pdf?language=en page 134, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00023 pitch 10mm Varistor, diameter 15.5mm, width 11mm, pitch 7.5mm Varistor, diameter 21.5mm, width 5.4mm, pitch 10mm Varistor, diameter 9mm, width 5.5mm, pitch 5mm size 55x9mm^2 drill 1.3mm pad 2.5mm.

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