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Proper hole sizes threeUHeight = 133.35; //overall 3u height panelInnerHeight = 110; //rail clearance = ~11.675mm, top and bottom railHeight = (threeUHeight-panelOuterHeight)/2; mountSurfaceHeight = (panelOuterHeight-panelInnerHeight-railHeight*2)/2; panelInnerOffset = (panelOuterHeight-panelInnerHeight)/2; echo("railHeight: ", railHeight); offsetToMountHoleCenterX = hp - holeOffset; // 1 for cv glide atten (rv15 // glide in (sleeve and normal both GND 6x Sockets, 2pin: - all step switches (all go to same bus) - run/stop 2x Pushbutton switches, all 2pin: - step - reset Pots, 3-pin: Glide attenuator (B10k) (join two left pins from below) - Clock rate goes down when resistance goes up, opposite to expectation. Schematic fixes: - C1 is too small for a single 0.75 mm² wires, basic insulation, conductor diameter 0.65mm, outer diameter 4.4mm, size source Multi-Contact FLEXI-E_0.25 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator JST VH PBT series connector, 502386-0970 (http://www.molex.com/pdm_docs/sd/5023860270_sd.pdf), generated with kicad-footprint-generator Capacitor SMD Kemet-V (7343-20 Metric), IPC_7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py DD Package; 14-Lead Plastic Thin Quad Flatpack (PT) - 12x12x1 mm Body, 2.00 mm Footprint [TQFP] thermal pad LQFP, 32 Pin (https://www.nxp.com/docs/en/package-information/SOT401-1.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py VQFN, 32 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/atmel-8153-8-and-16-bit-avr-microcontroller-xmega-e-atxmega8e5-atxmega16e5-atxmega32e5_datasheet.pdf#page=70), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-114-02-xx-DV-TE, 14 Pins (http://www.molex.com/pdm_docs/sd/022272021_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 64 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/PIC16LF19195-6-7-Data-Sheet-40001873D.pdf#page=718), generated with kicad-footprint-generator Connector Phoenix Contact, SPT 2.5/9-H-5.0 1991040 Connector Phoenix Contact connector footprint for: GMSTB_2,5/6-GF-7,62; number of pins: 12; pin pitch: 5.08mm; Angled || order number: 1776744 12A || order number: 1776825 12A Generic Phoenix Contact connector footprint for: MSTBV_2,5/12-GF; number of pins: 14; pin pitch: 7.62mm; Vertical; threaded flange || order number: 1924185 16A (HC Generic Phoenix Contact SPT 2.5/4-H-5.0 1990999.