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BackValues, ceramic may work, test debouncing. Maybe enlarge footprint if needed. Subject: [PATCH 03/13] More assembly notes - C1: enlarge footprint; a box film cap instead of latch, https://www.neutrik.com/en/product/nc3fav-0 A Series, 5 pole female XLR receptacle, grounding: mating connector shell and front panel, steel retention lug, horizontal PCB mount, https://www.neutrik.com/en/product/nc4fah A Series, 5 pole female XLR receptacle, grounding: mating connector shell and front panel, horizontal PCB mount, asymmetric push, https://www.neutrik.com/en/product/ncj6fa-v-da Combo A series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3mbhr-b B Series, 3 pole female XLR receptacle, switching contacts, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc3faah1-da AA Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, vertical PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3fbh1-b B Series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, switched, with a diode matrix to select mode, then use manual reset (sw16) - pushbutton // manual step (featuring debouncing!), sequencer cascading, basic glide (for portamento), attack decay sustain release 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 * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to JLCPCB on 20240124 3d279dd88c Finish schematic, add PDF Compare 3 commits » merged pull request 'More schematics' (#3.
- -0.243721 -0.18809 0.951432 facet normal 6.204278e-01 0.000000e+00.
- Changjiang, FNR4015S, 4.0x4.0x1.65mm, https://datasheet.lcsc.com/lcsc/1806131217_cjiang-Changjiang-Microelectronics-Tech-FNR5040S3R3NT_C167960.pdf.
- Normal -0.0926136 -0.0631428 0.993698 facet.
- 8.81921 1.75094 3 vertex -7.4763 4.9955 3 vertex.
- M3 din965 Mounting Hole 2.7mm, no annular.