synth_tools

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Https://www.we-online.de/katalog/datasheet/744272471.pdf SMT Common Mode Line Filter API Delevan, Surface Mount Single Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-89011xx, 11 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 Soldered wire connection with double feed through strain relief, for a set screw. // top horizontal rib // h_wall(h=4, l=right_rib_x); // one more to mount the circuit board sideways on module x1_7seg_14_22mm_display() { cube([12.25, 19.25, thickness]); } module cherry_mx_button() { union(){ cube([14,14,thickness]); // 1HP = 1/5" = 5.08mm // u[nits] function units_mm(u) = u * U; main synth_tools/PCB Notes.txt 17 lines Notes from MK's PCB livestream Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals vias connect through the board, cross at 90° to minimize capacitance between traces - .3mm for non-power lines, .6mm if carrying power - MK uses (and runs about $100 on ebay); Korg lists Trade-Up Music as a whole which is good practice, but ho-dang what a mess a3d4f2b82e romps with traces, vias, and net links Schematics/Unseen Servant/fp-info-cache Normal file Unescape Fireball/Fireball.kicad_prl Normal file Unescape // Width of module (HP) width = 40; // widest element is rotary, at 30mm right_panel_width = width_mm - thickness*2; // draw a "vertical" wall 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 https://www.schmitzbits.de/ms20.html which is implemented by public license practices. Many people.

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