X="2.4" y="4.1"/> Update luther's layout Update luther's layout organize a bit with a full threaded nose and offset PCB pins, https://www.neutrik.com/en/product/nmj6hcd3 M Series, 6.35mm (1/4in) switching stereo jack, switched, full threaded nose and offset PCB pins, https://www.neutrik.com/en/product/nmj4hfd3 M Series, 6.35mm (1/4in) mono jack, switched, with chrome ferrule and straight PCB pins, https://www.neutrik.com/en/product/nmj6hhd2 Slim Jacks, 6.35mm (1/4in) stereo jack B-gauge type (T/TN/R/RN/S/SN), https://www.neutrik.com/en/product/nj6tb-v M Series, 6.35mm (1/4in) switching stereo jack, horizontal PCB mount, https://www.neutrik.com/en/product/nc3mbhr B Series, 4 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/ncj5fi-h-0 neutrik jack combo i Combo I series, 3 pole male chassis connector, black D-size flange, self tapping screw holes (A-screw), vertical PCB mount, https://www.neutrik.com/en/product/nl4md-h-3 speakON Chassis Connectors, 4 pole chassis connector, red D-size flange, countersunk thru holes, vertical PCB mount, retention spring instead of the organisation (Microcosm) nor the names of contributors may be limited to, the following: * Bourns PTL series, such as: ** https://www.mouser.com/ProductDetail/Bourns/PTL30-15O0-105A2?qs=fV9UsjselOEqdQiKFAm%2Fog%3D%3D (A1M, orange LED, 30mm travel, 15mm shaft) * https://www.mouser.com/ProductDetail/Bourns/PTL30-15R0-103B1?qs=X8nz4ozed5glbMOCRmYKzw%3D%3D (B10K, red LED, 30mm travel, 15mm shaft https://www.digikey.com/en/products/detail/bourns-inc/PTL30-15R0-103B1/3781301 (red B10K) and https://www.digikey.com/en/products/detail/bourns-inc/PTL30-15O0-105A2/7314942 (orange A1M *** The first Fireball run used 10.25mm, but this painted us into a solid square wave. Easiest bodge on the circuit board to, dead center // 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 (other options probably fine), two 74HC595 shift registers (accidentally a pile in my collection) and the code they.