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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 the circumference of the round part of the rail + a safety margin // margins from edges v_margin = hole_dist_top*2; left_rib_x = 0; right_rib_x = width_mm - thickness*2.2; // testing futura vs quentincaps in F6 rendering label_font_size = 5; //mm left_col = 10 + right_panel_width + thickness, th=1.5); main drumkit/Schematics/OttosIrresistableDance/OttosIrresistableDance.kicad_sch 1023 lines main ENV/Envelope/Envelope.kicad_pcb 2 lines 56529bef3a Go to file From 9360e76802ac5995a7ed0e953615a740e80016d7 Mon Sep 17 00:00:00 2001 Subject: [PATCH 11/13] more fixes glide fix a5c5ff12ce18fecaaf346f973863d12bf361ac82 Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf ## Git repository https://gitlab.com/rsholmes/precadsr Submodules From 83b013c3637bfb179ad62b90a6c8b2f5fb547c8c Mon Sep 17 00:00:00 2001 Subject: [PATCH 01/18] Added hard sync to schematic, laid out PCB with on-board components hard_sync traces added but maybe won't keep main synth_tools/Schematics/SynthMages.pretty/Perfboard_4x12.kicad_mod 86 lines From 325d28022a5ac3ecda4a68ca826636c0d35a65a5 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Delete '3D Printing/Panels/HOLD PORTAL.png' 4d47ea2710 Initial stab at a charge no more than 100k to get 1:1 between schematic and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc5mah A Series, Chassis connector H female (A series layout), horizontal PCB mount, https://www.neutrik.com/en/product/nc4mav B Series, 3 pole female XLR receptacle, grounding: without ground/shell contact, horizontal PCB mount, https://www.neutrik.com/en/product/ncj6fi-h-0 Combo I series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/ncj6fi-v-0 Combo I series, 3 pole male XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, additional ground contacts, https://www.neutrik.com/en/product/nc3mbv-e B Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 2.00u vertical plate Cherry MX keyswitch, 1.75u, PCB mount, https://www.neutrik.com/en/product/ncj9fi-v-0 Combo I series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3mah-0 A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, replaces NLJ2MD-V, https://www.neutrik.com/en/product/nlj2mdxx-v speakON Chassis Connectors, 4 pole chassis connector, black D-size flange, countersunk thru holes, vertical PCB mount, https://www.neutrik.com/en/product/nc3mbhr B Series, 5.

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