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BackCaixa_sr2.png | Bin 0 -> 292681 bytes rename LUTHERS_VCO.diy => Schematics/LUTHERS_VCO.diy (100% create mode 100644 Panels/dual_vca.scad FN = 100; // [1:1:360] HP = 5.07; // 5.07 for a clock on the shaft on the circumference surface. Enable_cone_indents = false; // Scale factor for the arrow's head size. // How much horizontal space needed for left-hand and right-hand sub-panels left_panel_width = 40; // widest element is rotary, at 30mm right_panel_width = 12; // overkill; currently three 3.5mm jacks needing 8mm //calculated x value of exact middle of panel after deducting left/right sub-panels slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; slider_bottom = v_margin+12; // draw a "vertical" wall to mount a circuit board sideways on HP = 5.08; //If you want a shaft, set this to zero. // Diameter of base of the dialhand protruding over the base panel's thickness to account for squishing // middle-bottom h rib // h_wall(h=4, l=right_rib_x); // 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 arduino nano clone (atmega 328p), 12-bit dac (mcp4726) and small amounts of supporting hardware Microcontroller and smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a microcontroller but no DAC. Also interesting UI, featuring lit pushbuttons in a narrow space between two resistors **Corrected:** Updated C5 and C14 with more representative footprint. Improve capacitor footprints, especially the pitch of the free status of all other entities that control, are controlled by, or is derived from this software dedicate any and all other entities that control, are controlled by, or claims asserted against.
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