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BackOf This is an ADSR envelope generator synth 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) 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, steel retention lug, vertical PCB mount, retention spring, https://www.neutrik.com/en/product/ncj6fa-h-0 neutrik jack combo a Combo A series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nl2md-v speakON Chassis Connectors, 8 pole chassis connector, black D-size flange, self tapping screw holes (A-screw), https://www.neutrik.com/en/product/nlt4md-v THT Mini XLR 5Pin right angle through hole 3.2mm, height 3.1, Wuerth electronics 9774060482 (https://katalog.we-online.de/em/datasheet/9774060482.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 28 Pin (JEDEC MO-153 Var JB https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502426-2010, 20 Pins (http://www.farnell.com/datasheets/2157639.pdf), generated with kicad-footprint-generator Molex CLIK-Mate series connector, 53398-1471 (http://www.molex.com/pdm_docs/sd/533980271_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.2mm, height 4.6, Wuerth electronics 9774070360 (https://katalog.we-online.de/em/datasheet/9774070360.pdf), generated with kicad-footprint-generator Mounting Hardware, external M3, height 4.1, Wuerth electronics 9775076960 (https://katalog.we-online.com/em/datasheet/9775076960.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py SOIC, 4 Pin (https://sensirion.com/media/documents/33FD6951/624C4357/Datasheet_SHT4x.pdf LGA, 16 Pin (http://cds.linear.com/docs/en/datasheet/37551fd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py TQFN, 32 Pin (https://www.st.com/resource/en/datasheet/stm32g071k8.pdf), generated with kicad-footprint-generator Hirose FH12, FFC/FPC connector, FH12-6S-0.5SH, 6 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 Tantalum Capacitor SMD 1206 (3216 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size from: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf.
- THT 2x06 2.00mm double row.
- 5.1mmx5.1mm Inductor, Vishay, Vishay_IHSM-5832, http://www.vishay.com/docs/34020/ihsm5832.pdf, 16.3mmx8.1mm Inductor.
- Servant.kicad_pro create mode 100644 Hardware/Panel/precadsr-panel-Gerbers/precadsr-panel-EdgeCuts.gm1 create.
- 0.796857 0.553703 facet normal -0.0602554 0.0859333 0.994477.