<-- CV In main MK_VCO/Panels/fireball_vco_14hp_v1.scad 330 lines width = 38; // [1:1:84] width = 14; // [1:1:84] working_height = height - v_margin; working_increment = working_height / 6; // generally-useful spacing amount for vertical columns of stuff col_middle = col_left + (15.6 + 1.5 + 7 + 8); // pot + led + switch? Col_right = width_mm - hole_dist_side - 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 arduino nano (other options probably fine), two 74HC595 shift registers (accidentally a pile in my collection) and the hazards therein programming MCs to be manipulated. Detail level is used. - LEDs go in long leg down (from the front panel Added schmancy pcb for v2 front panel 24ca7abc85681936397a2802c8155420fcaf679c Added schmancy pcb for v2 front panel Added schmancy pcb for v2 front panel Added schmancy pcb for v2 front panel and Pin 1, vertical PCB mount, replaces NL4MD-V-1, https://www.neutrik.com/en/product/nl4mdxx-v-3 speakON Chassis Connectors, 8 pole chassis connector, grey D-size flange, countersunk thru holes, horizontal PCB, replaces NL2MD-H, https://www.neutrik.com/en/product/nl2mdxx-h-3 speakON Chassis Connectors, 4 pole chassis connector, gray D-size flange, countersunk thru holes, vertical PCB mount, https://www.neutrik.com/en/product/nc3fbh2 B Series, 5 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, steel retention lug, vertical PCB mount, https://www.neutrik.com/en/product/nc3fbhl1 B Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc3fav1-da A Series, 3 pole XLR female receptacle with 6.35mm (1/4in) jack receptacle, vertical pcb mount, https://www.neutrik.com/en/product/nlj2md-v speakON Chassis Connectors, 8 pole chassis connector, black D-size flange, countersunk thru holes, vertical PCB mount, asymmetric push.