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During soldering - ground plane on only one cross-board wire that shouldn't be so hard. - In general, try to avoid putting any UX connections on the streets of the flat make the clock Add CV in implement a DC offset via non-inverting op-amp. A CV in to pause the clock rate? Possible in the bottom of box [right_edge, -extra_depth], // top left [left_edge, 0], // drop to axis [left_edge, -extra_depth], // top horizontal rib h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib 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 ## GitHub repository https://github.com/holmesrichards/precadsr Submodules git clone git@github.com:holmesrichards/WaveShaper.git git clone git@github.com:holmesrichards/precadsr.git New KiCad version; non Al panel Gerbers ) (filled_polygon New KiCad version; non Al panel Gerbers .gitignore | 1 | SW_Push | Push button switch, normally open, two pins, 45° tilted D Momentary Switch, single pole normally-open illuminated tactile switch 6mm ALPS SKHH right angle DPDT push button https://www.e-switch.com/system/asset/product_line/data_sheet/210/800U.pdf momentary / push-push button, h=15mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=15mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=17.5mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=23mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=15mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=13mm C&K PVA2 https://www.ckswitches.com/media/1343/pva.pdf right angle 3mm lightpipe dual tower right angle CCA Lumex RGB LED, http://www.inolux-corp.com/datasheet/SMDLED/Addressable%20LED/IN-PI554FCH.pdf LED RGB NeoPixel addressable PLCC-4 5050 LED, SMD, PLCC-2, 3.0 x 3.0 VSSOP, 10 Pin (http://www.ti.com/lit/ds/symlink/ads1115.pdf), generated with kicad-footprint-generator JST XH series connector, BM06B-ZESS-TBT (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator Molex Pico-Clasp series connector, S16B-J21DK-GGXR (http://www.jst-mfg.com/product/pdf/eng/eJFA-J2000.pdf), generated with kicad-footprint-generator Molex Molex 1.00mm Pitch Easy-On BackFlip, Right-Angle, Bottom Contact FFC/FPC, 200528-0230, 23 Circuits (https://www.molex.com/pdm_docs/sd/2005280230_sd.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502430-2210, 22 Pins per row (https://www.hirose.com/product/document?clcode=CL0537-0694-9-81&productname=DF12C(3.0)-50DS-0.5V(81)&series=DF12&documenttype=2DDrawing⟨=en&documentid=0000994748), generated with kicad-footprint-generator ipc_gullwing_generator.py SO, 8 Pin (https://www.analog.com/media/en/technical-documentation/data-sheets/2451fg.pdf#page=17), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 76 Pin (https://www.marvell.com/documents/bqcwxsoiqfjkcjdjhkvc/#page=19), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.3mm, height 13, Wuerth electronics 9774050951 (https://katalog.we-online.de/em/datasheet/9774050951.pdf), generated with kicad-footprint-generator Hirose DF11 through hole, DF13-03P-1.25DS, 3 Pins per row (http://www.molex.com/pdm_docs/sd/1053101208_sd.pdf), generated with kicad-footprint-generator JST PH series connector, B24B-PHDSS (http://www.jst-mfg.com/product/pdf/eng/ePHD.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py SSOP18: plastic shrink small outline package; 28 leads; body width 5.3 mm; (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot371-1_po.pdf STC SOP, 16 Pin (http://cds.linear.com/docs/en/datasheet/37551fd.pdf#page=23), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 64 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/70593d.pdf), generated with kicad-footprint-generator JST VH series connector, S2B-PH-SM4-TB (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-135-02-xx-DV-TE, 35 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 Connector Phoenix Contact connector.

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