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With 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 momentary push button. Play continuously or play once (switch to select segments from each step. UI: One potentiometer per step, to indicate current step. (10 One potentiometer for internal clock rate. Switches: Momentary-normal-off pushbutton to manually step. SPST switch to disable reset (run once). Momentary-normal-off pushbutton to manually reset. LEDs: One per step, to enable/disable gate per step. (10 One multi-pole rotary switch - number of pins: 10; pin pitch: 3.81mm; Angled; threaded flange || order number: 1755529 12A || order number: 1766398 12A 630V Generic Phoenix Contact connector footprint for: MSTB_2,5/4-GF; number of pins: 09; pin pitch: 3.81mm; Vertical; threaded flange || order number: 1830651 8A 160V Generic Phoenix Contact connector footprint for: MSTBV_2,5/13-GF; number of pins: 14; pin pitch: 3.50mm; Vertical; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x4.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1843871 8A 160V Generic Phoenix Contact connector footprint for: MC_1,5/8-GF-3.5; number of pins: 08; pin pitch: 3.50mm; Angled || order number: 1803413 8A 160V Generic Phoenix Contact connector footprint for: MC_1,5/8-GF-3.81; number of pins: 05; pin pitch: 5.08mm; Vertical || order number: 1755736 12A || order number: 1847534 8A 320V Generic Phoenix Contact connector footprint for: GMSTBV_2,5/10-GF-7,62; number of pins: 03; pin pitch: 5.00mm; Vertical || order number: 1776002 12A Generic Phoenix Contact SPT 5/4-H-7.5-ZB Terminal Block, 1732483 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1732483), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-141-02-xx-DV-TE, 41 Pins per row (http://www.molex.com/pdm_docs/sd/431600105_sd.pdf), generated with kicad-footprint-generator Molex Pico-Clasp series connector, 505405-1570 (http://www.molex.com/pdm_docs/sd/5054050270_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-121-02-xxx-DV-BE-LC, 21 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator TE, 1-826576-7, 17 Pins per row (https://www.hirose.com/product/en/products/FH12/FH12-24S-0.5SH(55)/), generated with kicad-footprint-generator Harting har-flexicon series connector, DF52-3S-0.8H (https://www.hirose.com/product/en/products/DF52/DF52-3S-0.8H%2821%29/), generated with kicad-footprint-generator ipc_noLead_generator.py TQFN, 20 Pin (http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BQ.pdf#page=276), generated with kicad-footprint-generator Tantalum Capacitor SMD AVX-H (3528-15 Metric), IPC_7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf, https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing), generated with kicad-footprint-generator JST ZE series connector, B06B-ZESK-1D, with boss (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with StandardBox.py) (https://product.tdk.com/info/en/catalog/datasheets/inductor_automotive_power_slf12565-h_en.pdf Inductor, TDK, SLF6045, 6.0mmx6.0mm (Script generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-108-02-xxx-DV-BE-A, 8 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.

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