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At z=0 © 2012 Steve Cooley ( http://sc-fa.com , http://beatseqr.com , http://hapticsynapses.com ) © 2021 Matthias Ansorg ( https://ma.juii.net ) Description have to be centered around the top surface of the base shape. See knob_base(). Rotate([0, 0, 45] cube([2, 2, KnobHeight+.001], center=true); if (RingWidth>0 cylinder(r1=KnobMajorRadius + RingWidth, r2=KnobMinorRadius, h=RingThickness, $fn=50, center=true); if (RingMarkings>0 for (i=[0 : Knurls-1] rotate([0, 0, 180] // Left side: meta-step controls // step rotary switch with two LEDs K switch normally-open pushbutton push-button Side push button https://www.e-switch.com/system/asset/product_line/data_sheet/210/800U.pdf CuK miniature slide switch, EG series, DPDT, http://spec_sheets.e-switch.com/specs/P040047.pdf E-Switch slide switch, OS series, SPDT, right angle, http://spec_sheets.e-switch.com/specs/P040042.pdf E-Switch sub miniature slide switch, OS series, SPDT, https://www.ckswitches.com/media/1428/os.pdf tactile switch with 12 positions D 4 rotary switches are actually 2p6t, which means only six different step counts are available until the replacement arrives - Wiring SW15 (once/stop) and cascade out is easier done via skywiring; only one side when convenient. You can even use a modified version of package Relay DPDT IM-relay FRT5 Kemet signal relay, DPDT, non-latching, single coil latching, https://content.kemet.com/datasheets/KEM_R7002_EC2_EE2.pdf Kemet EC2 signal relay DPDT non single coil latching surface mount PLCC, 44 pins, surface mount PLCC, 68 pins, through hole M2, height 4.5, Wuerth electronics 97730606330 (https://katalog.we-online.com/em/datasheet/97730606330.pdf), generated with kicad-footprint-generator Capacitor SMD Kemet-X (7343-43 Metric), IPC_7351 nominal, (Body size from: http://datasheets.avx.com/schottky.pdf), generated with kicad-footprint-generator Molex LY 20 series connector, B18B-PUDSS (http://www.jst-mfg.com/product/pdf/eng/ePUD.pdf), generated with kicad-footprint-generator JST PUD series connector, S5B-PH-SM4-TB (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-112-02-xxx-DV-A, 12 Pins (http://www.molex.com/pdm_docs/sd/022272021_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.2mm, height 3.6, Wuerth electronics 9774065951 (https://katalog.we-online.de/em/datasheet/9774065951.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py LFCSP, 24 Pin (http://www.ti.com/lit/ds/symlink/bq24133.pdf#page=40 Texas Instruments, DSBGA, 3.415x3.535x0.625mm, 64 ball 8x8 area grid, YZR pad definition Appendix A BGA 225 0.8 CLG225 Zynq-7000 BGA, 26x26 grid, 27x27mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=278, https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=92, NSMD pad definition Appendix A BGA 676 1 FB676 FBG676 FBV676 Kintex-7 BGA, 26x26 grid, 27x27mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=301, NSMD pad definition Appendix A BGA 676 1 FG676 FGG676 Spartan-7 BGA, 26x26 grid, 27x27mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=269, NSMD pad definition (http://www.ti.com/lit/ds/symlink/ts5a3159a.pdf Texas Instruments DSBGA BGA Texas Instruments, QFM MOF0009A, 6x8x2mm (http://www.ti.com/lit/ml/mpsi063a/mpsi063a.pdf QFN, 41 Pin (http://www.ti.com/lit/ml/mpqf506/mpqf506.pdf QFN, 28 Pin.

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