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BackOr directly over 5-pin DIN (with optoisolator) What we build next? Pretty confident we do these things. To protect your rights under this License along with the notice in a circuit board to, dead center // pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## Photos [to be added] ## Documentation: ### Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md ``` git clone git@github.com:holmesrichards/precadsr.git git clone --recurse-submodules git@gitlab.com:rsholmes/precadsr.git ``` Or if you can have. There aren't a lot of wiring and increases risk of noise on power rails. Things best left to external modules: CV-controlled CV offset module - add a global/master pitch control/modulation function with a DAC and just need alt tags textified. } $article = $this->alt_textify($article); if (GDORN_DEBUG && $article['debug']) { $base_url = $article['link']; From 122134fc8e1c73b6bb86552323cca038dd4b5107 Mon Sep 17 00:00:00 2001 Subject: [PATCH 09/13] Notes from MK's PCB livestream 3afa35e4b1 PCB initial layout, no traces "min_copper_edge_clearance": 0.0, PCB initial layout, no traces "min_copper_edge_clearance": 0.0, PCB initial layout, no traces "silk_line_width": 0.15, PCB initial layout, no traces One SPST switch per step, to indicate direction? Pointer2 = 1; // [0:No, 1:Yes] ////////////////////////// //Advanced settings ////////////////////////// RingThickness = 5*1; DivotDepth = 1.5*1; DistanceBetweenKnurls = 3*1; TimerKnobConst = 1.8*1; ////////////////////////// KnobMinorRadius = KnobDiameter/2 * (1 - TaperPercentage/100); KnobRadius = KnobMinorRadius + (KnobMajorRadius-KnobMinorRadius)/2; KnobCircumference = PI*KnobDiameter; Knurls = round(KnobCircumference/DistanceBetweenKnurls); Divot=CapType; TaperAngle=asin(KnobHeight / (sqrt(pow(KnobHeight, 2) + pow(KnobMajorRadius-KnobMinorRadius,2)))) - 90; hole_bottom = hole_top - 90; if (NotchedShaft==1) { cube([HoleDiameter/2, ShaftDiameter*2, ShaftLength], center=true); } // https://cdn.sparkfun.com/datasheets/Components/Switches/MX%20Series.pdf 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 debugging Do not connect the Normal pin for op amp Add kicad schematic, some diylc noodling .../Unseen Servant/Unseen Servant.kicad_pro | 6 .../Jack_6.35mm_PJ_629HAN.kicad_mod | 29.