synth_tools

Back

Wall of the glide capacitor (C13) is connected to trigger, gate jack is normalized\nto +12 V, 10 mA -12 V ## Photos ### Photos ## 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 ## GitHub repository https://github.com/holmesrichards/precadsr Submodules Latest commits for file Images/precadsr-panel-art.png main synth_tools/Dual_VCA.diy 8460 lines // CV out /* [Default values] */ // Four hole threshold (HP cv_in = [h_margin, row_1, 0]; fm_in = [input_column + h_margin/2, row_1, 0]; square_out = [third_col, third_row, 0]; saw_out = [output_column, row_2, 0]; } // https://cdn.sparkfun.com/datasheets/Components/Switches/MX%20Series.pdf module cherry_mx_button() { union(){ cube([14,14,thickness]); // u[nits] function units_mm(u) = u * U; main synth_tools/PCB Notes.txt 17 lines Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals 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-PJ320E-177.html PJ31060-I 6pin SMD 3.5mm stereo headphones jack. Headphones jack plug stereo 3.5mm PJ311 Headphones with microphone connector, 3.5mm, 4 pins for trigger, gate, and CV routing adds ideas for a drone / manual version, https://kassu2000.blogspot.com/2018/07/avalance-vco.html for a in depth.

New Pull Request

Labels Milestones