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Key matrix, work out either MC or dumb resistor array to output correct volts for each key. Build a MIDI->CV module ** Hagiwo's cheap arduino version and https://github.com/elkayem/midi2cv which it is machine-specific data v1.0 Final revision; added custom DRC as project file ) ) ) Latest commits for file README.md Latest commits for file Schematics/schematic_bugs_v1.md Update Schematics/schematic_bugs_v1.md Clock POT is too small for a single 1 mm² wire, basic insulation, conductor diameter 0.48mm, outer diameter 2.3mm, size source Multi-Contact FLEXI-E 0.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Mounting Hardware, inside blind hole M1.6, height 4, Wuerth electronics 9776060960 (https://katalog.we-online.com/em/datasheet/9776060960.pdf), generated with kicad-footprint-generator JST XA series connector, B07B-XASK-1-A (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator JST EH series connector, SM12B-ZESS-TB (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-148-02-xxx-DV-BE, 48 Pins per row (https://cdn.harwin.com/pdfs/M20-890.pdf), generated with kicad-footprint-generator Tantalum Capacitor SMD AVX-V (7361-38 Metric), IPC_7351 nominal, (Body size from: http://www.kemet.com/Lists/ProductCatalog/Attachments/253/KEM_TC101_STD.pdf), generated with kicad-footprint-generator Molex Mini-Fit Jr. Power Connectors, old mpn/engineering number: 5566-22A2, example for new part number: 26-60-4060, 6 Pins (http://www.molex.com/pdm_docs/sd/908140004_sd.pdf), generated with kicad-footprint-generator Molex CLIK-Mate series connector, S14B-PH-SM4-TB (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-110-02-xxx-DV-BE-LC, 10 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 Mounting Hardware, inside through hole 3.2mm, height 7.6, Wuerth electronics 9775066360 (https://katalog.we-online.com/em/datasheet/9775066360.pdf), generated with kicad-footprint-generator connector JST PHD series connector, BM14B-GHS-TBT (http://www.jst-mfg.com/product/pdf/eng/eGH.pdf), generated with kicad-footprint-generator Molex PicoBlade series connector, BM14B-SRSS-TB (http://www.jst-mfg.com/product/pdf/eng/eSH.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 4.5mm, height 4, Wuerth electronics 9774070360 (https://katalog.we-online.de/em/datasheet/9774070360.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 5 times 2 mm² wires, reinforced insulation, conductor diameter 0.5mm, outer diameter 3.6mm, size source Multi-Contact FLEXI-E 0.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Tantalum Capacitor SMD 0201 (0603 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: https://www.vishay.com/docs/20019/rcwe.pdf), generated with kicad-footprint-generator Molex MicroClasp side entry.

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