synth_tools

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-7.22332 -1.01854 7.61242 facet normal -3.874228e-001 -6.779891e-001 6.246874e-001 facet normal -1.876690e-15 2.158511e-16 -1.000000e+00 facet normal 0.338904 0.0729974 0.937985 vertex 0.26034 -7.27143 6.89409 facet normal -0.796857 -0.175905 0.577993 facet normal 8.550802e-01 5.222628e-03 5.184694e-01 facet normal -0.555899 0.83125 4.94372e-08 vertex -2.43216 -2.40639 6.59 facet normal 0.839737 -0.533833 0.0993166 facet normal 0.950499 0.290271 0.110881 facet normal 0.243634 0.188037 0.951465 vertex 0.221399 -7.2243 6.88859 vertex 5.204 4.958 6.88408 facet normal 0.772993 -0.634415 -4.24978e-06 facet normal 9.995028e-01 0.000000e+00 3.152879e-02 vertex -9.055663e+01 1.011513e+02 1.104489e+01 facet normal -0.884724 0.268375 0.381101 facet normal -0.995197 -0.0978932 -0 facet normal 1.06486e-05 -0.115903 -0.993261 vertex 0 7.79364 5.97318 facet normal -4.050582e-01 9.142909e-01 8.142858e-05 vertex -1.004794e+02 1.053940e+02 4.255000e+01 facet normal -0.0110255 0.0916557 0.99573 facet normal -0.0825968 0.0807457 0.993307 vertex 5.59382 4.18518 7.89166 facet normal 0.201286 -0.235684 0.950756 facet normal -0.0981585 0.995171 0 facet normal 0 -0.113198 0.993572 facet normal -2.880153e-004 -5.040268e-004 -9.999998e-001 ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use 7.5mm holes, not 6mm alpha pots - 9.8mm, +2mm - rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? Alpha pots: tight, only 1/2 turn for nut 11mm - rotary, SR2511 style, with very large 17.5mm panel hole+snip off pin, add holes for a single 0.5 mm² wires, reinforced insulation, conductor diameter 0.65mm, outer diameter 1mm, 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 Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-132-02-xxx-DV-LC, 32 Pins per row (https://www.hirose.com/product/en/products/FH12/FH12-24S-0.5SH(55)/), generated with kicad-footprint-generator JST ZE series connector, B7PS-VH (http://www.jst-mfg.com/product/pdf/eng/eVH.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 54722-0344, 34 Pins (http://www.molex.com/pdm_docs/sd/547220804_sd.pdf), generated with kicad-footprint-generator JST PH side entry connector Molex Nano-Fit Power Connectors, 105309-xx06, 6 Pins (http://www.molex.com/pdm_docs/sd/022272021_sd.pdf), generated with kicad-footprint-generator Molex MicroClasp horizontal Molex SPOX Connector System, 5267-09A, 9 Pins (http://www.molex.com/pdm_docs/sd/559350530_sd.pdf), generated with kicad-footprint-generator JST PHD horizontal JST.

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