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LEDs: One per step, to set output voltages. (10 - One multi-pole rotary switch to adjust CV output range, switch between 5v and 2.5v max (or whatever is configured). - Momentary-normal-off pushbutton to manually step. SPST switch per step, to enable/disable gate per the Eurorack standard Outputs saw, triangle, and square waves, with CV in to pause the sequence. Seven-segment display. Can be passed in as parameter to eurorackPanel threeUHeight = 133.35; //overall 3u height panelInnerOffset = (panelOuterHeight-panelInnerHeight)/2; echo("railHeight: ", railHeight); echo("mountSurfaceHeight",mountSurfaceHeight); offsetToMountHoleCenterY=mountSurfaceHeight/2; offsetToMountHoleCenterX = hp - holeOffset; // 1 rotary switch with 12 positions D 4 rotary switches with 4 positions D Switch, three position, single pole normally-open tactile switch Omron B3F right angle through hole 4.5mm, height 7, Wuerth electronics 9774090982 (https://katalog.we-online.de/em/datasheet/9774090982.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py 6-pin SOT-23 package, Handsoldering SOT, 8 Pin (JEDEC MO-153 Var HB https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 16 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/16L_UQFN_4x4x0_5mm_JQ_C04257A.pdf), generated with kicad-footprint-generator JST ZE series connector, S06B-XASK-1 (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator Hirose DF12C SMD, DF12C3.0-30DS-0.5V, 30 Pins per row (http://www.molex.com/pdm_docs/sd/460071105_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-132-02-xx-DV-TE, 32 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator Molex PicoBlade series connector, B2B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-122-02-xxx-DV-BE, 22 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-136-02-xxx-DV, 36 Pins per row, Mounting: PCB Mounting Flange (http://www.molex.com/pdm_docs/sd/039291047_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py UQFN, 48 Pin (https://www.lumissil.com/assets/pdf/core/IS31FL3236_DS.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 40 Pin (http://www.ti.com/lit/ds/symlink/dac7750.pdf#page=54.

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