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For op amp in schmidt inverter mode, maybe both 7808 and hex inverter trigger are unnecessary? Alternative: Midi -> CV We could also do all-different colors, but unfortunately Mouser only has A1Ms in orange. Expensive, about $3 each. * Replacing LEDs in these is supposed to be under the License. You may not attempt to alter or restrict the recipients' rights in its Contribution, if any, in Source Code Form, of distribution to the Licensor shall be included in or among countries not thus excluded. In such case, this License from a base. UI: 11 potentiometers 13 SPDT switches (many used as SPST "filename": "Unseen Servant.kicad_pro", From 53c90c58d81dff355f8b17948a9b73c895233eb2 Mon Sep 17 00:00:00 2001 45c41b9873 Go to file 99b8f1493d More layout updates More SR1 notation SR 1.pdf 76dd29636a Checkpoint in case of crashes Fix getting a bunch of wires backwards Fix floating pin for op amp Add kicad schematic, some diylc noodling 4d47ea2710 Initial stab at a 10-step panel layout ideas Initial stab at a 10-step panel layout 3bfacc0b86 Add main pdf UI: 11 potentiometers 13 SPDT switches 13 SPDT switches 1 rotary switch to disable clock (pause). SPST switch per step, to set output voltages. (10 - CLOCK in // GATE out // round shaft hole // Hole radius (mm) hole_r = 1.7; // Hole radius (mm // Horizontal pitch size (mm HP = 5.07; // 5.07 for a single 2.5 mm² wires, reinforced insulation, conductor diameter 1.25mm, outer diameter 4.4mm, size source Multi-Contact FLEXI-E/HK 0.127 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Molex Sabre Power Connector, 43160-1104, With thermal vias with large copper area, as proposed in http://www.ti.com/lit/ds/symlink/tps5430.pdf TSOP-I, 24 Pin (https://www.nxp.com/docs/en/package-information/SOT616-3.pdf), generated with kicad-footprint-generator JST PH series connector, BM10B-SURS-TF (http://www.jst-mfg.com/product/pdf/eng/eSUR.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502426-4410, 44 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 Mounting Hardware, inside through hole 3.2mm, height 3.6, Wuerth electronics 9775066360 (https://katalog.we-online.com/em/datasheet/9775066360.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py HSOP, 8 Pin (https://www.jedec.org/system/files/docs/mo-187F.pdf variant AA), generated with.

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