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// Create a hole with radius: ", hole_r , " at ", hole_dist_side, height - v_margin - title_font_size*2; working_width = width_mm - right_rib_thickness; // projection: make a 2d version v_wall(h=4, l=height-rail_clearance*2, th=right_rib_thickness); // top horizontal rib // h_wall(h=4, l=right_rib_x); // middle horizontal rib // 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 footprint. Some options: Bourns PTL series, such as: Update README.md 2cb8e5eaf679e30139948d8744800b04487466fc updated C5 footprint & tracing; schematic annotation Add 55k-ish resistor to coarse knob to fix tuning range main ENV/Envelope/Envelope.kicad_sch 1474 lines Binary files /dev/null and b/Images/PXL_20210831_004139245.jpg differ Images/befaco_vcadsr.png Normal file View File 3D Printing/Pot_Knobs/potentiometre_v3.stl create mode 100644 Panels/Font files/futura medium condensed bt.ttf' 16055f0ae5 Delete 'Panels/futura medium condensed bt.ttf | Bin 0 -> 147621 bytes Images/loop.png | Bin 0 -> 328607 bytes Images/PXL_20210831_001017829.jpg | Bin 0 -> 10174 bytes .../Panels/PRISMATIC SPHERE.png.

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