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BackSynth module. Layout and panel are Kosmo format. * [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 ``` git clone git@github.com:holmesrichards/precadsr.git New KiCad version; non Al panel Gerbers From 5a4e89eea63bf71c8fd68e1168f096dfb3459aa4 Mon Sep 17 00:00:00 2001 Subject: [PATCH] schematic start, and some supporting components. ~$6 in parts, depending mainly on whether 8+6 pins + hardware fits on shaek board or similar size perf. MiniADSR derived from ICU project. See icu-license.html for license of the rail + a safety margin // Width of module (HP) width = 14; // [1:1:84] // margins from edges h_margin = hole_dist_side + thickness; width_mm = hp_mm(width); // where to put the output to +10V? Clock POT is too small for film; is film needed? Notes: Could make the clock Add CV in to pause the sequence. Seven-segment display. Can be done, but requires a trigger-sized pulse on input. - Portamento (aka slew rate controller aka glide). Knob version fairly simple. - CV Out - Diode from rotary pin 13? CV Out - 1K to TP5 Gate Out - 1K to U2-14 - Casc Out normal to TP10, optional) - Casc out 2x Toggle Switches, 3pin: 11 Toggle Switches, 2pin: - all step switches (all go to same bus) - run/stop 2x Pushbutton switches, all 2pin: - Glide attenuator (B10k) (join two left pins from below - Glide.
- 7.828570e-001 4.226265e-001 facet normal -0.464687 -0.69545 -0.548101 facet.
- 5.946539e+00 vertex -1.089913e+02 9.665134e+01 5.897404e+00 facet normal.
- -0.734388 0.392536 0.553706 facet.
- Normal 0.766035 0.075425 -0.638358.