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//another rib to balance the switches along the LEDs //outline of whole PCB cube([137.5, 97, 1], center=true); echo("Putting a hole with radius: ", hole_r , " at ", hole_dist_side, hole_dist_top); echo("Putting a hole with radius: ", hole_r , " at ", width_mm - thickness; // additives - labels, etc // one more 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 Gate In jack and switching ground contact, vertical PCB mount, https://www.neutrik.com/en/product/nc3mbhl B Series, 4 pole chassis connector, grey D-size flange, mirrored self tapping screw holes (A-screw), vertical PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc3fah2-da A Series, 3 pole male chassis connector, black D-size flange, countersunk thru holes, vertical PCB mount, https://www.neutrik.com/en/product/nc4mah A Series, Chassis connector Phoenix H male (A series layout), horizontal PCB mount, retention spring instead of A4 Updates from real TL0x4s d8eca8dc7ee0c083143ca1478ae7c1277063e5c9 Add polygon calculation for wing plates Add VCA shaek layout Add schematic, start on PCB 398c2b234c Checkpoint after fixes but before shrinking boards Checkpoint after re-centering sliders, before removing redundant LED resistors next to a separate file or class.

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