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Desired effect because it is based on ** https://www.instructables.com/Another-MIDI-to-CV-Box-/ yet another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another version Alternative: CV from something else VCF MK's Diode Ladder VCF Kassutronic's KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on SIP7, http://power.murata.com/data/power/ncl/kdc_nma.pdf Isolated 1W or 2W Single Output SM DC/DC Converters https://www.murata.com/products/productdata/8807031865374/kdc-nxe1.pdf#page=8 https://www.murata.com/products/productdata/8807031898142/kdc-nxe2.pdf#page=9 Isolated 1W or 2W Single and Dual Output, 1500VDC Isolation, 19.0x17.0x8.7mm https://www.xppower.com/Portals/0/pdfs/SF_ISU02.pdf DCDC SMD XP POWER ISU02 XP_POWER ITQxxxxS-H, SIP, (https://www.xppower.com/pdfs/SF_ITQ.pdf), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 5 times 0.25 mm² wires, reinforced insulation, conductor diameter 0.9mm, outer diameter 2mm, outer diameter 1mm, size source Multi-Contact FLEXI-E/HK 0.127 (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 PHD series connector, DF52-11S-0.8H (https://www.hirose.com/product/en/products/DF52/DF52-3S-0.8H%2821%29/), generated with kicad-footprint-generator JST GH series connector, 53261-1271 (http://www.molex.com/pdm_docs/sd/532610271_sd.pdf), generated with kicad-footprint-generator Molex CLIK-Mate series connector, B10B-EH-A (http://www.jst-mfg.com/product/pdf/eng/eEH.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-143-02-xxx-DV-LC, 43 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 Molex KK 396 Interconnect System, old/engineering part number: 5273-08A example for new mpn: 39-29-4249, 12 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 Molex MicroClasp Wire-to-Board System, 55935-0810, with PCB locator, 13 Pins (http://www.molex.com/pdm_docs/sd/022272021_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole M3, height 9, Wuerth electronics 9774020633 (https://katalog.we-online.com/em/datasheet/9774020633.pdf), generated with kicad-footprint-generator connector Molex SL vertical Molex SPOX Connector System, 5267-14A, 14 Pins (http://www.molex.com/pdm_docs/sd/559350210_sd.pdf), generated with kicad-footprint-generator Molex KK 396 Interconnect System, old/engineering part number: 22-27-2061, 6 Pins per row (https://www.molex.com/pdm_docs/sd/430450201_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-143-02-xx-DV-PE-LC, 43 Pins per row (http://www.molex.com/pdm_docs/sd/022035035_sd.pdf), generated with kicad-footprint-generator Molex PicoBlade series connector, 502443-1570 (http://www.molex.com/pdm_docs/sd/5024430270_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py SSOP-8 3.95x5.21x3.27mm Pitch 1.27mm Slug Down (PowerSO-36) [JEDEC MO-166] (http://www.st.com/resource/en/datasheet/vn808cm-32-e.pdf, http://www.st.com/resource/en/application_note/cd00003801.pdf HSOP, 54 Pin (https://www.nxp.com/docs/en/package-information/98ASA10506D.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 28 Pin (http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BQ.pdf#page=338), generated with kicad-footprint-generator ipc_gullwing_generator.py SOP, 18 Pin (JEDEC MO-153 Var FE https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator Mounting Hardware, inside through hole 4.5mm, height 3, Wuerth electronics 97730306330 (https://katalog.we-online.com/em/datasheet/97730306330.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 64 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/00002304A.pdf (page 43)), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 3 times outer diameter, generated with kicad-footprint-generator Molex Sabre Power Connector, 43160-2104, 4 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 ipc_gullwing_generator.py LQFP, 48 Pin (http://www.ti.com/lit/ds/symlink/msp430f5232.pdf#page=111), generated with kicad-footprint-generator Molex Nano-Fit Power Connectors, 42819-42XX, 4 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 ipc_noLead_generator.py QFN, 56 Pin (JEDEC.

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