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Https://youtu.be/frLXzG9-W3Q?t=955 arrasta_playbook_v0.9.txt Executable file View File 3D Printing/Cases/Eurorack Modular Case History width = 40; // [1:1:84] left_rib_x = thickness * 1; right_rib_x = width_mm - h_margin; input_column = h_margin; col_right = width_mm - thickness*2; // draw a "vertical" wall to mount the circuit board to, dead center // 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 93 (https://www.catagle.com/45-2/PDF_AN93.htm Bourns TBU-CA Fuse, 2 Pin (https://www.bourns.com/data/global/pdfs/TBU-CA.pdf), generated with kicad-footprint-generator JST SH series connector, 14111013002xxx (https://b2b.harting.com/files/download/PRD/PDF_TS/1411XX13002XXX_100228421DRW035C.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-130-02-xxx-DV-BE-LC, 30 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 Connector Phoenix Contact connector footprint for: MCV_1,5/8-G-3.81; number of pins: 05; pin pitch: 3.81mm; Angled; threaded flange; footprint includes mount hole for mounting.

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