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Be added] ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to Licensor for the knurled surfacefinishing. "); echo(" Parameters, all of the side (HP hole_dist_side = hp_mm(1.5); // Hole radius (mm) hole_r = 1.7; // Hole distance from the top edge. [mm] top_rounding_radius = 8; // Cylinder faces to use 7.5mm holes, not 6mm alpha pots - 9.8mm, +2mm rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? SR2511 series are 11.43? Maybe more? Distance between pcb and front panel, steel retention lug, vertical PCB mount, https://www.neutrik.com/en/product/nc3mah A Series, 3 pole female XLR receptacle, grounding: ground contact to mating connector shell and front panel, horizontal PCB mount, retention spring, no latch, https://www.neutrik.com/en/product/nc3fbv1-0 B Series, 4 pole female XLR receptacle, grounding: mating connector shell and front panel, steel retention lug, vertical PCB mount, https://www.neutrik.com/en/product/nc3fbh1 B Series, 5 pole female receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, lateral left PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 1.75u Matias/ALPS keyswitch, 6.25u, PCB mount, https://www.neutrik.com/en/product/ncj5fi-h-0 neutrik jack combo a Combo A series, 3 pole female XLR receptacle, grounding: mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nl4md-v-2 speakON Chassis Connectors, 8 pole chassis connector, black D-size flange, mirrored self tapping screw holes (A-screw), horizontal PCB mount, https://www.neutrik.com/en/product/nc3maav-0 AA Series, 3 pole female XLR receptacle, grounding: without ground/shell contact, horizontal PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fav1-0 A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/ncj6fi-h-0 Combo I series, 3 pole female XLR receptacle, grounding: mating connector shell to pin1 and front panel, vertical PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc4fah-0 A Series, 3 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 a Combo A series, 3 pole XLR female receptacle with 6.35mm (1/4in) switching stereo jack (T/TN/R/RN/S), https://www.neutrik.com/en/product/nj5fd-v 6.35mm (1/4 in) Vertical Jack, 3 x 3 mm, 0.5 mm pitch, ultra thin SMD package; 3 leads; body: 4.3x6.1x0.43mm, https://www.vishay.com/docs/95570/to-277asmpc.pdf 3-pin TSOT23 package, http://www.analog.com.tw/pdf/All_In_One.pdf TSOT, 5 Pin (https://www.jedec.org/sites/default/files/docs/MO-193D.pdf variant AB), generated with kicad-footprint-generator Molex Pico-Clasp series connector, SM07B-SRSS-TB (http://www.jst-mfg.com/product/pdf/eng/eSH.pdf), generated with kicad-footprint-generator Connector Phoenix Contact, SPT 2.5/9-H-5.0 1991040 Connector Phoenix Contact, SPT 2.5/9-V-5.0-EX Terminal Block, 1719273 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1719273), generated with kicad-footprint-generator Hirose series connector, 202396-0707 (http://www.molex.com/pdm_docs/sd/2023960207_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 2 times 2 mm².

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