synth_tools

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Efdac9a8-63a2-4056-9007-59528f4494a3 Latest commits for file Images/PXL_20210831_002553634.jpg main synth_tools/README.md 0 lines %ctippy.js %c`+Xu(t)+` %c\u{1F477}\u200D This is a work based on this script here. // for inset labels, translating to this height controls label depth width = 36; // [1:1:84] left_rib_x = thickness * 1; right_rib_x = width_mm - hole_dist_side - thickness; // additives - labels, etc surface("FIREBALL VCO.png", center=true, invert=false); module label(string, size=4, halign="center", height=thickness+1, font=default_label_font) { color([1,0,0]) linear_extrude(thickness+1) text(string, size, halign=halign, font=font); // draw a "vertical" wall } // additives - labels, etc // one more vertical to mount a circuit outside the full dev board (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ 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 Molex Pico-SPOX Connector System, 5267-04A, 4 Pins per row (https://www.hirose.com/product/en/products/DF13/DF13-4P-1.25DS%2820%29/), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 48 Pin (JEDEC MO-153 Var AB https://www.jedec.org/document_search?search_api_views_fulltext=MO-194), generated with kicad-footprint-generator Molex KK 396 Interconnect System, old/engineering part number: A-41791-0010 example for new mpn: 39-28-924x, 12 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 Soldered wire connection with feed through strain relief, for 6 times 0.75 mm² wires, reinforced insulation, conductor diameter 1.25mm, outer diameter 3.5mm, size 29x8.3mm^2, drill diamater 1.1mm, pad diameter 3mm, size source Multi-Contact FLEXI-E.

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