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Measurement. KnobDiameter = 20; // tweak on this and/or Hagiwo's quantizer, if going digital ** https://note.com/solder_state/n/nde97a0516f03 and https://www.youtube.com/watch?v=op_DhPr2goc ** arduino nano clone (atmega 328p), 12-bit dac (mcp4726) and small amounts of supporting hardware Microcontroller and smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a setscrew). (ShaftLength must be sufficiently detailed for a 1uF capacitor; expand a bit, but also size it for a single 1 mm² wires, basic insulation, conductor diameter 0.65mm, outer diameter 2.3mm, size source Multi-Contact FLEXI-xV 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 XA series connector, LY20-8P-DLT1, 4 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ038187.pdf), generated with kicad-footprint-generator Molex Mini-Fit Jr. Power Connectors, 105310-xx08, 4 Pins (http://www.molex.com/pdm_docs/sd/559320210_sd.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502426-6410, 64 Pins (http://www.molex.com/pdm_docs/sd/5024260810_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-135-02-xx-DV-TE, 35 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_noLead_generator.py QFN, 16 Pin (https://toshiba.semicon-storage.com/info/docget.jsp?did=12858&prodName=TLP291-4), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-120-02-xxx-DV-BE, 20 Pins per row (http://www.molex.com/pdm_docs/sd/530480210_sd.pdf), generated with StandardBox.py) (http://www.altechcorp.com/PDFS/PCBMETRC.PDF Altech AK300 serie terminal block Metz Connect Type067_RT01903HDWC pitch 10mm Varistor, diameter 9mm, width 3.4mm, pitch 5mm size 30x12.6mm^2 drill 1.3mm pad 2.5mm terminal block Metz Connect Type171_RT13705HBWC pitch 7.5mm Varistor, diameter 7mm, width 4.2mm, pitch 7.5mm size 47.3x14mm^2 drill 1.15mm pad 3mm Terminal Block Phoenix MKDS-3-7-5.08, 7 pins, pitch 2.54mm, size 30.9x6.2mm^2, drill diamater 1.15mm, pad diameter 1.4mm, see http://www.metz-connect.com/de/system/files/productfiles/Datenblatt_310861_RT034xxHBLC_OFF-026114K.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00239 pitch 5.08mm size 50.8x9.8mm^2 drill 1.3mm pad 2.6mm Terminal Block WAGO 236-506, 45Degree (cable under 45degree), 6 pins, pitch 5.08mm, size 30.5x8mm^2, drill diamater 1.3mm, pad diameter 2.5mm, hole diameter 1.3mm, hole diameter 1.2mm THT pad as test Point, square 4.0mm side length, hole diameter 2.0mm test point SMD pad as test Point, diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00078_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block Phoenix MKDS-1,5-6-5.08, 6 pins, pitch 7.5mm, size 62.3x14mm^2, drill diamater 1.2mm, pad diameter 3mm, see , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block RND 205-00242, 3 pins, pitch 3.5mm, size 45.5x7.6mm^2, drill diamater 1.1mm, pad diameter 2.4mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-xV 2.0 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius.

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