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Http://cds.linear.com/docs/en/packaging/SOT_8_05-08-1637.pdf Texas Instrument DRT-3 1x0.8mm Pitch 0.7mm Texas Instruments, BGA Microstar Junior, 7x7mm, 113 ball 12x12 grid, NSMD pad definition Appendix A BGA 225 0.8 CSGA225 Spartan-7 BGA, 14x14 grid, 15x15mm package, 0.8mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=262, NSMD pad definition Appendix A BGA 900 1 FF900 FFG900 FFV900 FF901 FFG901 FFV901 Artix-7, Kintex-7 and Zynq-7000 BGA, 34x34 grid, 35x35mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=301, NSMD pad definition Appendix A BGA 238 0.5 CP236 CPG236 Artix-7 BGA, 22x22 grid, 19x19mm package, 0.8mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=80, NSMD pad definition Appendix A BGA 484 0.8 RS484 Artix-7 BGA, 22x22 grid, 23x23mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=265, NSMD pad definition (http://www.ti.com/lit/ml/mxbg270/mxbg270.pdf Texas Instruments, DSBGA, 1.4715x1.4715mm, 9 bump 3x3 array, NSMD pad definition (http://www.ti.com/lit/ds/symlink/lm4990.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf Texas Instruments, DSBGA-6, 0.704x1.054mm, NSMD, YKA pad definition, 1.468x0.705mm, 8 Ball, 2x4 Layout, 0.5mm Pitch, S-PWSON-N10, DSC, http://www.ti.com/lit/ds/symlink/tps63060.pdf USON-10 2.5x1.0mm_ Pitch 0.5mm https://www.nxp.com/docs/en/application-note/AN10343.pdff Fairchild-specific MicroPak2-6 1.0x1.0mm Pitch 0.35mm HVSON, 8 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/mic23050.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 20 Pin (https://pdfserv.maximintegrated.com/package_dwgs/21-0140.PDF (T1655-4)), generated with kicad-footprint-generator Soldered wire connection, for a single through-hole on one side //calculated x value of exact middle of panel after deducting left/right sub-panels slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; slider_bottom = v_margin+8; Panels/10_step_seq_38hp_v1.scad Normal file Unescape Hardware/PCB/precadsr_aux_Gerbers/precadsr-B_Cu.gbr Normal file View File 3D Printing/Pot_Knobs/potentiometre_v3_1.5_merged.stl Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/Push_button_A-5050.kicad_mod Normal file View File Schematics/SynthMages.pretty/Switch.dcm Normal file Unescape and there could be other values, ceramic may work, test debouncing. Maybe enlarge footprint if needed. - Resistor footprint could stand to be image of the knurl this value, i.e.

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