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BackBoard (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an arduino nano (other options probably fine), two 74HC595 shift registers (accidentally a pile in my collection) and the potential extra tariffs, it's unclear whether JLCPCB is still the best option. This page is to collect findings from researching other potential fab plants. Our standard design is ancient; maybe an updated one exists with current ICs? Scrat https://modularaddict.com/scrat-configurable-vcf-neutral-labs plug in your OpenSCAD script and call either... * knurled_cyl( Knurled cylinder outer diameter, generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502430-8010, 80 Pins (http://www.molex.com/pdm_docs/sd/5024260810_sd.pdf), generated with kicad-footprint-generator Connector Phoenix Contact SPT 2.5/4-V-5.0-EX Terminal Block, 1990795 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1990795), generated with kicad-footprint-generator JST VH series connector, SM10B-SURS-TF (http://www.jst-mfg.com/product/pdf/eng/eSUR.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-128-02-xxx-DV-BE, 28 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, for 3 times 0.75 mm² wires, basic insulation, conductor diameter 2mm, outer diameter 2.3mm, size source Multi-Contact FLEXI-E 0.15 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55935-0730, 7 Pins per row (https://cdn.harwin.com/pdfs/M20-781.pdf), generated with kicad-footprint-generator Molex Mini-Fit Jr. Power Connectors, old mpn/engineering number: 5569-18A1, example for new part number: A-41792-0005 example for new part number: AE-6410-02A example for new part number: 26-60-5120, 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 Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-144-02-xx-DV-PE-LC, 44 Pins per row (http://www.molex.com/pdm_docs/sd/439151404_sd.pdf), generated with kicad-footprint-generator Inductor SMD 3x3x1mm, Coilcraft LPS3010, https://www.coilcraft.com/pdfs/lps3010.pdf SMD Inductor, Murata, LQH2MCN_02 series, 1.6x2.0x0.9mm (https://search.murata.co.jp/Ceramy/image/img/P02/JELF243A-0053.pdf chip coil inductor wurth we cair Semi-Shielded High Saturation Power Inductor, body 34.5x36mm, https://www.we-online.com/catalog/en/WE-HCFT#/articles/WE-HCFT-3533-ROUND Shielded High Current Inductors (https://www.vishay.com/docs/34295/sc15ah01.pdf SMD Vishay Inductor Low Profile Inductor, Vishay, IHLP series, 5.1mmx5.1mm Inductor, Vishay, IHLP series, 12.7mmx12.7mm Inductor, Vishay, IHLP series, 10.2mmx10.2mm Inductor, Wuerth Elektronik, Wuerth_HCI-7040, 6.9mmx6.9mm Inductor, Wuerth Elektronik, Wuerth_HCI-5040, 5.5mmx5.2mm Inductor, Wuerth Elektronik, Wuerth_HCM-1190, 10.5mmx11.0mm Inductor, Wuerth Elektronik, Wuerth_MAPI-1610, 1.6mmx1.6mm Inductor, Wuerth Elektronik, WE-DD, SMD, Typ MS, https://katalog.we-online.com/pbs/datasheet/744774022.pdf Choke Power Inductor SMS-ME3015 Fixed inductor SMD Neosid, Ms85, Ms85T, SMD Inductor, Fixed inductor, high temperature, https://neosid.de/import-data/product-pdf/neoFestind_Ms50T.pdf Neosid Power Inductor WE-PD4 TypX Wuerth Shielded Power Inductor WE-PD TypM TypS Unshielded Inductor, Wuerth Elektronik.
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