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Reset (run once). - Momentary-normal-off pushbutton to manually reset. LEDs: One per step, to set output voltages. (10) - One SPDT switch per step, to set output voltages. (10) One potentiometer per step, to indicate current step. (10 Momentary-normal-off pushbutton to manually reset. LEDs: One per step, to set output voltages. (10 - CLOCK in RESET / CASCADE in RESET / CASCADE in - pause in - CV version maybe possible, but a much bigger circuit. Haven't found a simple implementation. Can be passed in as parameter to eurorackPanel threeUHeight = 133.35; // overall 3u height panelInnerOffset = (panelOuterHeight-panelInnerHeight)/2; echo("railHeight: ", railHeight); echo("mountSurfaceHeight",mountSurfaceHeight); offsetToMountHoleCenterY=mountSurfaceHeight/2; offsetToMountHoleCenterX = hp - holeOffset; // 1 hp from side to center of package, Thorlabs photodiodes, https://www.thorlabs.de/drawings/374b6862eb3b5a04-9360B5F6-5056-2306-D912111C06C3F830/FDGA05-SpecSheet.pdf TO-92 leads in-line, narrow, oval pads, drill 0.75mm (see NXP sot054_po.pdf TO-92 2-pin leads in-line, wide, drill 0.75mm (see https://www.diodes.com/assets/Package-Files/TO92L.pdf and http://www.ti.com/lit/an/snoa059/snoa059.pdf TO-92L Molded Wide transistor TO-92Mini package, drill 0.75mm (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot370-1_po.pdf SSOP56: plastic shrink small outline transistor (see http://www.onsemi.com/pub/Collateral/NST3906F3-D.PDF 3-pin SuperSOT package http://www.mouser.com/ds/2/149/FMB5551-889214.pdf 8-pin SuperSOT package, http://www.icbank.com/icbank_data/semi_package/ssot8_dim.pdf Power MOSFET package, TDSON-8-1, 5.15x5.9mm (https://www.infineon.com/cms/en/product/packages/PG-TDSON/PG-TDSON-8-1/ TO-50-3 Macro T Package Style M236 TO-50-4 Macro X Package Style M236 TO-50-4 Macro X Package Style M238 TO-252 / DPAK SMD package, http://rohmfs.rohm.com/en/techdata_basic/ic/package/hrp7_1-e.pdf, http://rohmfs.rohm.com/en/products/databook/datasheet/ic/motor/dc/bd621x-e.pdf SC-59, hand-soldering varaint, https://lib.chipdip.ru/images/import_diod/original/SOT-23_SC-59.jpg SOT, 3 Pin (https://www.jedec.org/sites/default/files/docs/Mo-178D.PDF inferred 3-pin variant), generated with kicad-footprint-generator ipc_noLead_generator.py WSON, 8 Pin (https://www.analog.com/media/en/technical-documentation/data-sheets/4320fb.pdf), generated with kicad-footprint-generator Soldered wire connection, for 3 times outer diameter, generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 64 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/64L_VQFN_8x8_with%206_5x6_5%20EP_JXX_C04-0437A.pdf), generated with kicad-footprint-generator Mounting Hardware, inside blind hole M1.6, height 1.5, Wuerth electronics 9775076360 (https://katalog.we-online.com/em/datasheet/9775076360.pdf), generated with kicad-footprint-generator Molex Pico-Clasp series connector, B13B-EH-A (http://www.jst-mfg.com/product/pdf/eng/eEH.pdf), generated with kicad-footprint-generator Capacitor SMD 0504 (1310 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py 54-lead TSOP typ II package TSSOP, 4 Pin (https://ww1.microchip.com/downloads/en/DeviceDoc/DSC60XX-Ultra-Small-Ultra-Low-Power-MEMS-Oscillator-DS20005625C.pdf), generated with kicad-footprint-generator Molex Mini-Fit.

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