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Probably +12v gates. - Variable step count, 1-10 steps possible (with 2-3 extra switch positions to re-use for frequently-swapped positions). External reset via socket. - External reset via socket. - External reset via momentary push button. Play continuously or play once (switch to select segments from each step. UI: One potentiometer for internal clock rate. One potentiometer for internal clock rate (if onboard clock is used) (rv11 // 1 for once/cont (sw15 // 2 NO Moment switches: // 1 for 5v / 2.5v output mode (sw12 // 1 hp from side to center of package, Thorlabs photodiodes TO-46-3, Pin2 at center of package, Thorlabs photodiodes, https://www.thorlabs.de/drawings/374b6862eb3b5a04-9360B5F6-5056-2306-D912111C06C3F830/FDGA05-SpecSheet.pdf TO-92 leads molded, wide, drill 0.75mm, handsoldering variant with enlarged pads (see https://www.diodes.com/assets/Package-Files/TO92L.pdf and http://www.ti.com/lit/an/snoa059/snoa059.pdf TO-92L Inline Wide transistor TO-92L Molded Wide transistor TO-92L Molded Narrow transistor TO-92L Molded Wide transistor TO-92Mini package, drill 0.75mm (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot266-1_po.pdf SSOP, 20 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/doc2535.pdf#page=164), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.3mm, height 2, Wuerth electronics 9774010482 (https://katalog.we-online.de/em/datasheet/9774010482.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.3mm, height 10, Wuerth electronics 9775096960 (https://katalog.we-online.com/em/datasheet/9775096960.pdf), generated with kicad-footprint-generator connector Molex Pico-Lock series connector, B08B-PUDSS (http://www.jst-mfg.com/product/pdf/eng/ePUD.pdf), generated with kicad-footprint-generator Molex Picoflex Ribbon-Cable Connectors, 90814-0006, 6 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 Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-118-02-xxx-DV, 18 Pins per row (http://www.molex.com/pdm_docs/sd/022035035_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 2 times 0.5 mm² wires, reinforced insulation, conductor diameter 0.9mm, outer diameter 2mm, outer diameter 1mm, size source Multi-Contact FLEXI-E 2.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times.

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