synth_tools

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-6.01015 -7.7867 1.4831 facet normal 0.284746 -0.909897 0.301674 vertex 0.394998 -6.4137 7.51797 facet normal -9.996061e-01 -2.805505e-02 7.297994e-04 facet normal -2.088466e-001 -3.673605e-001 9.063274e-001 vertex 8.317617e-001 5.515684e+000 2.494118e+001 facet normal -0.172865 -0.0218118 0.984704 vertex 0.289273 -7.32519 6.90036 vertex 5.32576 -4.95759 6.89409 vertex 4.75988 -5.35776 6.96188 vertex 4.75047 -5.25893 6.95295 vertex -5.32576 4.95759 6.89409 vertex 7.15425 0.422769 6.96188 vertex 4.57828 -5.3829 7.06725 vertex -4.78839 5.45272 6.97207 facet normal 0.24747 -0.963812 0.0991233 facet normal -9.204106e-01 -3.909530e-01 -3.122985e-04 vertex -1.039237e+02 1.018965e+02 2.550000e+00 facet normal 7.241379e-01 6.896552e-01 -0.000000e+00 facet normal 0.585656 0.804473 0.0991463 facet normal -0.0363212 -0.0926572 0.995035 facet normal 0.590429 -0.804017 -0.0703631 vertex -9.98521 -0.172147 0.0395563 facet normal 0.119229 0.101845 0.987629 facet normal 0.687862 -0.439079 0.577975 vertex -5.5867 -4.34382 7.39225 vertex 0.77032 -7.08696 7.22283 facet normal 0.758298 -0.622316 0.194183 facet normal -0.957002 -0.290083 -0 facet normal 0.916105 0.277898 0.289006 vertex 3.4335 -8.28921 4.79464 facet normal -0.0992127 -0.014848 -0.994955 vertex -9.68198 -2.48363 0.0440226 facet normal -0.129416 0.645447 0.752761 facet normal 7.990206e-01 -6.013035e-01 3.312517e-04 facet normal 0.367738 0.111553 0.923214 vertex 1.78758 8.81743 3.82299 vertex 8.44684 -3.49879 3.76384 vertex 1.71116 8.83147 3.82299 facet normal -7.696457e-13 -1.000000e+00 -1.800274e-12 vertex -1.083509e+02 9.725134e+01 1.049666e+01 facet normal 0.766702 -0.634275 0.09931 facet normal -3.274500e-01 -9.448685e-01 3.434569e-04 vertex -9.521865e+01 9.204241e+01 4.255000e+01 facet normal -0.586527 0.714665 0.381104 facet normal -0.362975 -0.678811 -0.638329 facet normal 0.598708 -0.491352 0.632552 vertex -4.86024 -7.27387 5.33536 facet normal 0.0580967 -0.0922853 0.994036 vertex -7.35197 -0.0404587 6.86195 facet normal -0.63062 0.768512 0.108202 facet normal -9.996062e-01 -2.806048e-02 0.000000e+00 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 the 4 pins (http://www.qingpu-electronics.com/en/products/WQP-PJ320D-72.html 3.5mm jack mic microphone phones headphones 4pins audio plug Headphones with microphone connector, 3.5mm, 4 pins (http://www.qingpu-electronics.com/en/products/WQP-PJ320D-72.html 3.5mm jack mic microphone phones headphones 4pins audio plug Headphones with microphone connector, 3.5mm, 4 pins RGB RGBLED LED, Round, FlatTop, diameter 5.0mm, 4 pins, pitch 10mm, size 55x10.3mm^2, drill diamater 0.7mm, pad diameter 2.6mm, see http://www.metz-connect.com/de/system/files/productfiles/Datenblatt_310731_RT026xxHBLU_OFF-022792U.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block TE 282834-7 pitch 2.54mm length 3.04mm diameter 1.6mm Diode, DO-34_SOD68 series, Axial, Horizontal, pin pitch=10mm, , length*diameter=5.1*3.1mm^2, http://www.vishay.com/docs/45231/arseries.pdf C Axial series Axial Horizontal pin pitch 22.50mm length 28mm width 10mm Capacitor C, Rect series, Radial, pin pitch=7.50mm, , length*width=9*5.1mm^2, Capacitor, https://en.tdk.eu/inf/20/20/db/fc_2009/MKT_B32560_564.pdf C Rect series Radial pin pitch 2.50mm 5.00mm diameter 4.5mm Fastron LACC Inductor, Axial series, Axial, Horizontal, pin pitch=15mm, , length*diameter=5.1*3.1mm^2, http://www.vishay.com/docs/45231/arseries.pdf C Axial series Axial Horizontal pin pitch 25mm length 18mm diameter 10mm Electrolytic Capacitor CP, Radial series, Radial, pin pitch=11.43mm, , length*width=28.6*14.3mm^2, Bourns, 5700.

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