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Back6x6mm e.g. PHAP33xx series, height=9.5mm tact sw push PVA2 DPDT momentary / push-push button, h=15mm 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 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=20.5mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf tact sw push 6mm smd CK components KSC7 tactile switch https://cdn.sos.sk/productdata/80/f6/aabf7be6/5gth9358222.pdf Switch NKK G1xJP http://www.nkkswitches.com/pdf/gwillum.pdf SWITCH TOGGLE ILLUM SPDT NKK Switch, single pole double throw K switch dual-pole double-throw DPDT spdt ON-ON illuminated red green D Push button switch, push-to-open, generic, two pins K switch normally-open pushbutton push-button D MEC 5G single pole normally-open tactile switch SPST right angle, stacked (https://www.molex.com/content/dam/molex/molex-dot-com/products/automated/en-us/salesdrawingpdf/484/48406/484060001_sd.pdf USB 3.0 Micro B SMD right angle Würth USB-A two stacked horizontal receptacle, through-hole (https://www.cuidevices.com/product/resource/uj2-adh-th.pdf USB-A CUI stacked horizontal receptacle, through-hole (https://www.cuidevices.com/product/resource/uj2-adh-th.pdf USB-A CUI stacked horizontal through-hole USB_B USB B receptable with flange, bottom-mount, SMD, right-angle (http://en.connfly.com/static/upload/file/pdf/DS1104-01.pdf USB 3.0 type A right angle stacked dual USB 3.0, type A, right angle Surface-mount DC Barrel Jack, 2.0mm ID, 5.5mm OD, 24V, 8A, no switch, https://www.cui.com/product/resource/pj-063ah.pdf barrel jack connector (5.5mm outher diameter, inner diameter 2.05mm or 2.55mm depending on PCB choices could also do midi-over-usb buy a Korg MS-20. ** that one uses a ground plane on only one tl074 and support Kassutronic's KS-20 VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules Latest commits for file Docs/precadsr.pdf Latest commits for file Synth_Manuals/VALMORIFICATION+Build+and+BOM.pdf MK_VCO/Fireball/Fireball VCO saw wave core.circuitjs.txt PSU/Synth Mages Power Word Stun.kicad_sch 3736 lines From b92fcb7c680efef9f394f5f872d087549294e6cf Mon Sep 17 00:00:00 2001 Subject: [PATCH] More schematics More schematics Schematics/Luthers_Perfboard.pdf | Bin 0 -> 170624 bytes README.md | 4 .../PCB/precadsr_Gerbers/precadsr-F_SilkS.gbr | 1166 .../PCB/precadsr_Gerbers/precadsr-NPTH.drl | 4 style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:0.194444px;font-family:Limelight;-inkscape-font-specification:'Limelight, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:center;writing-mode:lr-tb;text-anchor:middle;fill:#000000;stroke-width:0.0104167">KASSU / AO Grid is metric (mm),