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Panels/dual_vca.scad T5 15.200mm 0.5984" (1 hole) T3 7.000mm 0.2756" (6 holes T4 10.000mm 0.3937" (4 holes T5 15.200mm 0.5984" (1 hole Total plated holes count 16 Not plated through holes: merged pull request 'Fix rail clearance issues, make all power traces large Add ground fills, fix some clearance issues, add PCB slot, more options for potentiometer spoke placement Fix rail clearance issues, add PCB slot, more options for potentiometer spoke placement' (#1) from bugfix/10hp into main Merge pull request synth_mages/MK_VCO#3 created pull request 'More schematics' (#3) from schematic into main Reviewed-on: https://gitea.circuitlocution.com/synth_mages/MK_VCO/pulls/3 Merge pull request synth_mages/MK_VCO#5 Add jlc constraints DRC; replace order number text Things best left to external modules: - CV-controlled CV offset module - add a voltage to another voltage. Useful here for pitching up from bottom; these are actually 2p6t, which means only six different step counts are available until the replacement arrives - Wiring SW15 (once/stop) and cascade out is easier done via skywiring; only one tl074 and support Kassutronic's KS-20 VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules 811ef45c764021f623b8bb59234df1314fce4e91 12V, -12V and ground needed, probably up to 1amp - maybe not as efficient as a result of switching to pcb-mounted panel components and interconnects between middle and bottom railHeight = (threeUHeight-panelOuterHeight)/2; mountSurfaceHeight = (panelOuterHeight-panelInnerHeight-railHeight*2)/2; hp=5.08; mountHoleDiameter = 3.2; mountHoleRad =mountHoleDiameter/2; hwCubeWidth = holeWidth-mountHoleDiameter; offsetToMountHoleCenterY=mountSurfaceHeight/2; offsetToMountHoleCenterX=hp;//1hp margin on each Could replace step IDs with a diameter between 16-19 mm: https://www.keyelco.com/product.cfm/product_id/826 Keystone #500, 12mm CR1220 battery holder, Memory Protection Devices P/N BA9VPC, http://www.memoryprotectiondevices.com/datasheets/BA9VPC-datasheet.pdf PP3 Battery Holder 2479 Battery Type 3xAA (Script generated with kicad-footprint-generator JST PH series connector, DF52-9S-0.8H (https://www.hirose.com/product/en/products/DF52/DF52-3S-0.8H%2821%29/), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502426-3410, 34 Pins (http://www.molex.com/pdm_docs/sd/555600207_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-134-02-xxx-DV-BE-A, 34 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 3 times 0.25 mm² wire, reinforced insulation, conductor diameter 1.4mm, outer diameter 1mm, 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 Soldered wire connection, for 6 times 1.5 mm² wires, basic insulation, conductor diameter 0.65mm, outer diameter 4.4mm, size source Multi-Contact FLEXI-E 1.0 (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 series connector, S8B-XH-A-1 (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py LFCSP, 64 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/64L_QFN_9x9_MR_C04-00149e.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 56 Pin (https://www.jedec.org/standards-documents/docs/mo-142-d variation DC), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-112-02-xxx-DV-BE-LC, 12 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf.

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