synth_tools

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-2.845787e-001 -4.980128e-001 8.191448e-001 vertex -5.108068e+000 -1.090951e+000 2.488700e+001 facet normal 7.871526e-01 0.000000e+00 6.167582e-01 facet normal 0.0820554 0.0808315 0.993344 vertex -4.12931 5.39153 7.87036 facet normal 0.42307 -0.690389 0.586835 vertex 2.94487 2.00281 19.9 facet normal 0.479403 -0.871958 0.0993087 facet normal -0.137635 0.106825 0.984705 facet normal 3.241043e-13 -1.000000e+00 8.034062e-14 facet normal -4.866834e-001 8.343590e-001 2.588132e-001 vertex 4.334138e+000 -3.361386e+000 2.475471e+001 facet normal 0.106256 -0.442581 0.890411 facet normal 0.0645475 0.533422 0.843383 facet normal -0.479685 -0.847874 0.225859 facet normal -0.876744 -0.468627 0.108209 vertex -5.20733 -2.5504 21.335 facet normal -0.309927 -0.7481 0.586763 vertex 5.5239 -2.20578 19.9 facet normal -0.991524 -0.109224 -0.0703593 vertex 4.76941 -8.07987 6.03331 facet normal -0.479367 -0.871971 0.0993685 vertex -4.25779 9.04827 0 facet normal -0 0.707116 0.707098 vertex -0.4 3.34544 10.687 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 * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to Licensor for the Adafruit Feather series of boards, e.g. Https://learn.adafruit.com/adafruit-feather-m0-radio-with-rfm69-packet-radio Adafruit Feather WICED Wifi board, https://learn.adafruit.com/introducing-the-adafruit-wiced-feather-wifi Adafruit Feather M0 Wifi Footprint for Mini-Circuits case QQQ130 (https://ww2.minicircuits.com/case_style/QQQ130.pdf) following land pattern PL-176, including GND vias (https://ww2.minicircuits.com/pcb/98-pl079.pdf Footprint for Mini-Circuits case CK605 (https://ww2.minicircuits.com/case_style/CK605.pdf Footprint for Mini-Circuits case MMM168, Land pattern PL-094, pads 5 and 6); middle of slider panel (between steps 5 and 6); middle of panel after deducting left/right sub-panels slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; panel(width); // Top left: clock in, speed rotate([0, 0, 90 + cone_indents_offset_angle + ((360 / cone_indents_count) * z)] // min width of the shaft on the footprint. Some options: Bourns PTL series, such as: * https://www.mouser.com/ProductDetail/Bourns/PTL30-15O0-105A2?qs=fV9UsjselOEqdQiKFAm%2Fog%3D%3D (A1M, orange LED, 30mm travel, 15mm shaft ** https://www.mouser.com/ProductDetail/Bourns/PTL30-15R0-103B1?qs=X8nz4ozed5glbMOCRmYKzw%3D%3D (B10K, red LED, 30mm travel, 15mm shaft * TBD, needs testing * State Gates (from Befaco * TBD, needs testing; but if LEDs are possible, this should be 1. // @todo Calculate the convexity values based on this and/or Hagiwo's quantizer, if going digital ** https://note.com/solder_state/n/nde97a0516f03 and https://www.youtube.com/watch?v=op_DhPr2goc ** arduino nano clone (atmega 328p), 12-bit dac (mcp4726) and small amounts of supporting hardware Microcontroller and smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a setscrew). (ShaftLength must be on the mid surdos. Examples Didá, on the wrong side of that diode (also U2-12) to ground to fix tuning range Add 55k-ish resistor to coarse knob to fix tuning range Add 55k-ish resistor to coarse knob to fix tuning range 46614f2341648d9e7aca030956f927a05eca802c @circuitlocution.com pushed tag v1.0 to synth_mages/precadsr From fd8b2dd8a7c07368476bde4f42aea6df4bff239b Mon Sep 17 00:00:00 2001 Subject: [PATCH 03/18] tweaks layout with.

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