synth_tools

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2.487153e+000 1.747200e+001 facet normal 4.792334e-001 8.386592e-001 2.588168e-001 facet normal -0.991524 0.109222 -0.0703609 vertex 4.76941 -8.07987 6.03331 facet normal 0.0546376 0.554748 0.830223 facet normal -5.699919e-14 -1.000000e+00 -1.005838e-15 facet normal -0.79685 -0.241717 0.553717 facet normal -0.991528 -0.109189 -0.0703557 facet normal 0.301701 0.851405 0.429052 facet normal 4.491397e-001 7.844421e-001 4.276963e-001 vertex -5.011967e+000 -2.977209e+000 2.476740e+001 facet normal -0.652553 -0.754469 0.0703635 facet normal 0.957361 -0.114987 0.265023 facet normal -0.615997 0.526063 0.586349 vertex 6.27392 -1.68379 19.9697 facet normal 0.111552 0.367735 0.923216 facet normal 2.890023e-001 -4.954587e-001 8.191449e-001 facet normal 9.402255e-01 -3.405524e-01 2.938192e-04 vertex -1.040763e+02 9.626458e+01 4.255000e+01 facet normal 0.241725 -0.796858 0.553703 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 7.5mm holes, not 6mm alpha pots - 9.8mm, +2mm rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? SR2511 series are 11.43? Maybe more? Distance between pcb and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc5fbv A Series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, horizontal PCB mount, https://www.neutrik.com/en/product/nc5mbv-sw B Series, 4 pole female receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc3maav-0 AA Series, 3 pole female receptacle, grounding: ground contact connected to EP (http://www.aosmd.com/res/packaging_information/DFN5x6_8L_EP1_P.pdf 56-Lead Plastic Quad Flatpack (PF) - 14x14x1 mm Body, 2.00 mm Footprint [TQFP] thermal pad LQFP, 32 Pin (https://www.ti.com/lit/ds/symlink/bq25703a.pdf#page=90), generated with kicad-footprint-generator Hirose FH12, FFC/FPC connector, FH12-25S-0.5SH, 25 Pins per row (http://www.molex.com/pdm_docs/sd/022035035_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 64 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-2549-8-bit-AVR-Microcontroller-ATmega640-1280-1281-2560-2561_datasheet.pdf (page 415)), generated with kicad-footprint-generator Molex Mini-Fit Sr. Power Connectors, old mpn/engineering number: 1-794108-x, 12 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-124-02-xx-DV-TE, 24 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-128-02-xxx-DV-BE-LC, 28 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator JST ZE series connector, DF3EA-05P-2H (https://www.hirose.com/product/document?clcode=CL0543-0332-0-51&productname=DF3EA-5P-2H(51)&series=DF3&documenttype=2DDrawing⟨=en&documentid=0001163317), generated with kicad-footprint-generator Samtec HLE top entry Molex LY 20 series connector, B13B-ZESK-1D, with boss (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 56 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/00001734B.pdf#page=50), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-136-02-xxx-DV-A, 36 Pins per row (http://www.molex.com/pdm_docs/sd/428192214_sd.pdf), generated with kicad-footprint-generator Harwin Male Horizontal Surface Mount LED Lamp (http://www.kingbrightusa.com/images/catalog/SPEC/AAA3528ESGCT.pdf LED RGB, APFA3010, http://www.kingbrightusa.com/images/catalog/SPEC/APFA3010LSEEZGKQBKC.pdf LED RGB Wurth PLCC-4 3528 ASMB-MTB0-0A3A2 2.0mm x 2.0mm PLCC4 LED, https://assets.cree-led.com/a/ds/h/HB-CLMVC-FKA.pdf LED Cree PLCC-4 5050 2.0mm x 2.0mm PLCC4 LED, http://www.cree.com/led-components/media/documents/CLV1AFKB(874).pdf 5.0mm x 5.0mm Addressable RGB LED 3.2x2.7mm http://www.avagotech.com/docs/AV02-0610EN LED RGB NeoPixel Nano PLCC-4 3.5mm x 3.5mm PLCC4 Addressable RGB LED NeoPixel addressable PLCC-4 5050 2.0mm x.

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