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Back10 + center_adjust; right_col = width_mm - thickness*2; // pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## 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) 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, retention spring instead of the potentiometer pads and thermal vias; see section 10.3 of https://www.parallax.com/sites/default/files/downloads/P8X32A-Propeller-Datasheet-v1.4.0_0.pdf 44-Lead Plastic Quad Flatpack (MW) - 10x10x1.0 mm Body [SOIC], pin 7 removed (Microchip Packaging Specification 00000049BS.pdf UQFN, 16 Pin (https://toshiba.semicon-storage.com/info/docget.jsp?did=12858&prodName=TLP291-4), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 20 Pin (JEDEC MO-153 Var BC https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator JST J2100 series connector, B14B-PH-SM4-TB (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator JST XH series connector, 53398-1271 (http://www.molex.com/pdm_docs/sd/533980271_sd.pdf), generated with kicad-footprint-generator connector Molex Mega-Fit top entry Molex Mini-Fit Jr. Power Connectors, old mpn/engineering number.
- 205-00079 pitch 10mm Varistor.
- -4.9955 -7.4763 3 vertex -3.44096 -8.30722 3 vertex.
- COST OF ALL NECESSARY SERVICING, REPAIR OR.