synth_tools

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A.Type && A.Net != B.Net" (condition "A.Pad_Type == 'NPTH, mechanical' && B.Type == A.Type && A.Net == B.Net" (condition "A.Type == 'via'" (condition "A.Type == 'via' && B.Type == 'graphic')" (condition "A.Type == 'pad' && (B.Type == 'text' || B.Type == 'track'" (condition "A.isPlated() && B.Type == 'graphic')")) # edge clearance condition "A.Type == 'track' && B.Type == A.Type")) # 4-layer condition "A.Type == 'via' && B.Type == 'track'" (condition "A.Type == 'track'" main MK_VCO/Panels/luther_triangle_10hp.scad 359 lines width = 24; // [1:1:84] /* [Holes] */ hole_dist_top = 2.5; // margins from edges v_margin = hole_dist_top*2 + thickness; h_margin = hole_dist_side*4; v_margin = hole_dist_top*2 + thickness; right_rib_x = width_mm - thickness*2; // draw panel, subtract holes panel(width); // waves out wall(h=4, w=width_mm-hole_dist_top-4); // 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 ** https://www.instructables.com/Another-MIDI-to-CV-Box-/ yet another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another version Alternative: CV from something else VCF MK's Diode Ladder VCF ~$8 in parts, mostly down to PCB edge 7.4799999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 44-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 9.4mm 62-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 9.9mm, distance of mounting holes 63.5mm, distance of mounting holes 33.3mm, distance of mounting holes 47.1mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.54mm pin-PCB-offset 9.4mm 15-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 7.699999999999999mm, distance of mounting holes to PCB edge 15.979999999999999mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 9-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, distance of mounting holes 25mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 37-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 9.9mm mounting-holes-distance 63.5mm mounting-hole-offset 63.5mm 62-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 14.56mm, distance of mounting holes 47.1mm, distance of mounting holes distance 47.1mm 26-pin D-Sub connector horizontal angled 90deg THT.

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