synth_tools

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0.471369 -0.881936 0 facet normal -0.772589 -0.634804 0.0114014 facet normal 3.731915e-001 -6.401222e-001 6.715442e-001 vertex -5.105716e+000 2.887900e+000 2.486861e+001 facet normal -0.183001 -0.980592 -0.0703583 facet normal -0.046193 0.587092 0.808201 facet normal 0.331544 0.422843 0.843375 vertex -4.61666 -5.5107 7.08096 facet normal 0.125325 0.992116 0 vertex -8.31492 3.44415 4.51215 facet normal -0.916106 0.277896 0.289006 facet normal -0.547909 0.449652 0.705414 vertex 6.69544 -6.69544 3.54602 facet normal 9.913098e-001 1.315476e-001 -0.000000e+000 vertex 7.011378e+000 1.060435e+000 1.747200e+001 facet normal 0.815358 -0.435818 0.381123 facet normal -0.101047 -0.992162 0.0735128 facet normal 0.630656 0.76848 0.108218 facet normal -0.0730219 -0.976236 0.204035 vertex -1.05954 7.19679 7.81812 vertex 1.0528 -7.12884 7.81019 facet normal -1.397736e-01 -9.901835e-01 -0.000000e+00 facet normal -0.119235 0.101837 0.98763 vertex 4.25243 0.203118 18.7299 facet normal -4.323937e-002 -7.566889e-002 9.961951e-001 facet normal -0.977563 0.185897 0.0990623 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 for the Adafruit Feather 32u4 RFM series of three versions of the knob, then to point out // cv range (sw12 // steps: slider, led, switch (sw1-sw10, rv1-rv10 // mounting holes 33.3mm, distance of mounting holes 63.5mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector, straight/vertical, THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 44-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.54mm pin-PCB-offset 9.4mm 25-pin D-Sub connector edge mount solder cup male x-pin-pitch 2.77mm mounting holes 33.3mm, distance of mounting holes distance 47.1mm 25-pin D-Sub connector horizontal angled 90deg THT male pitch 2.29x2.54mm pin-PCB-offset 9.4mm 62-pin D-Sub connector edge mount solder cup female x-pin-pitch 2.77mm mounting holes distance 63.5mm 37-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.84mm pin-PCB-offset 14.56mm mounting-holes-distance 47.1mm mounting-hole-offset 47.1mm 44-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, distance of mounting holes 33.3mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male.

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