synth_tools

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0.0731528 0.0677834 0.995015 vertex -6.47657 4.7055 19.9452 vertex -6.68868 4.56026 19.9509 vertex -2.91914 7.43786 19.9405 facet normal -1.750715e-001 -3.090179e-001 9.348037e-001 facet normal 0.0546157 -0.55474 0.830229 vertex -9.31122 -1.59974 3.54602 vertex 8.86128 3.99693 3.26879 vertex 3.99693 -8.86128 3.26879 vertex 2.08528 9.21464 3.54602 facet normal -0.114152 0.990969 0.0703601 facet normal 8.462654e-01 2.992164e-03 5.327532e-01 facet normal 0.0817064 0.0814906 0.993319 vertex 4.18796 4.77144 7.82405 facet normal 9.728792e-01 3.526264e-03 -2.312871e-01 facet normal 0.630746 -0.768414 0.108161 facet normal 1.682318e-001 -9.857475e-001 0.000000e+000 vertex -3.615306e+000 -4.376429e+000 1.747200e+001 facet normal 0.947172 -0.0961675 0.30597 facet normal -2.880153e-004 -5.040268e-004 -9.999998e-001 ## Documentation: ### 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 wire, basic insulation, conductor diameter 0.65mm, outer diameter 2.3mm, 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 Samtec HLE horizontal Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-144-02-xx-DV-PE-LC, 44 Pins (http://www.molex.com/pdm_docs/sd/5024301410_sd.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502426-2410, 24 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 with double feed through strain relief, for 3 times outer diameter, generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 3 times outer diameter, generated with kicad-footprint-generator JST XAG top entry Samtec HLE .100" Tiger Beam Cost-effective.

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