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To promote the ideal of a pulldown resistor after D35. Connect a 100k resistor between the pots unneeded for expected pot effect direction). 2 5mm LEDs -Consider: 1 simple on/off switch/button/knob/etc. Latest commits for file Docs/build.md footprint "Perfboard_3x12" (version 20221018) (generator pcbnew Latest commits for file Schematics/Kassutronics_Slope_Build_Docs_2.0A.pdf Sequencer based on http://www.latticesemi.com/view_document?document_id=213 BGA 0.8mm 9mm 121 BGA-132 11x17 12x18mm 1.0pitch Altera BGA-144 M144 MBGA Altera UBGA U169 BGA-169 BGA-200, 14.5x10.0mm, 200 Ball, 12x22 Layout, 0.8x0.65mm Pitch, http://www.issi.com/WW/pdf/43-46LQ32256A-AL.pdf Altera BGA-256 M256 MBGA BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf, design rules: https://www.xilinx.com/support/documentation/user_guides/ug1099-bga-device-design-rules.pdf Altera UBGA U169 BGA-169 BGA-200, 14.5x10.0mm, 200 Ball, 12x22 Layout, 0.8x0.65mm Pitch, http://www.issi.com/WW/pdf/43-46LQ32256A-AL.pdf Altera BGA-256 M256 MBGA BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf, design rules: https://www.xilinx.com/support/documentation/user_guides/ug1099-bga-device-design-rules.pdf Altera UBGA U169 BGA-169 BGA-200, 14.5x10.0mm, 200 Ball, 12x22 Layout, 0.8x0.65mm Pitch, http://www.issi.com/WW/pdf/43-46LQ32256A-AL.pdf Altera BGA-256 M256 MBGA BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf, design rules: https://www.xilinx.com/support/documentation/user_guides/ug1099-bga-device-design-rules.pdf Altera UBGA U169 BGA-169 BGA-200, 14.5x10.0mm, 200 Ball, 12x22 Layout, 0.8x0.65mm Pitch, http://www.issi.com/WW/pdf/43-46LQ32256A-AL.pdf Altera BGA-256 M256 MBGA BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf, design rules: https://www.xilinx.com/support/documentation/user_guides/ug1099-bga-device-design-rules.pdf Altera UBGA U169 BGA-169 BGA-200, 14.5x10.0mm, 200 Ball, 12x22 Layout, 0.8x0.65mm Pitch, http://www.issi.com/WW/pdf/43-46LQ32256A-AL.pdf Altera BGA-256 M256 MBGA BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf, design rules: https://www.xilinx.com/support/documentation/user_guides/ug1099-bga-device-design-rules.pdf Altera UBGA U169 BGA-169 BGA-200, 14.5x10.0mm, 200 Ball, 12x22 Layout, 0.8x0.65mm Pitch, http://www.issi.com/WW/pdf/43-46LQ32256A-AL.pdf Altera BGA-256 M256 MBGA BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf, design rules: https://www.xilinx.com/support/documentation/user_guides/ug1099-bga-device-design-rules.pdf Altera UBGA U324 BGA-324 BGA-624, 25x25 grid, 21x21mm package, pitch 0.5mm; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32f091vb.pdf WLCSP-64, 8x8 raster, 5x5mm package, pitch 0.4mm; see section 10.3 of https://www.parallax.com/sites/default/files/downloads/P8X32A-Propeller-Datasheet-v1.4.0_0.pdf QFN, 48 Pin (https://www.lumissil.com/assets/pdf/core/IS31FL3236_DS.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 12 Pin (http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_12_%2005-08-1855.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py WLCSP-35, 2.168x2.998mm, 35 Ball, 7x5 Layout, 0.4mm Pitch, https://www.st.com/resource/en/datasheet/stm32g051f8.pdf#page=102 ST WLCSP-25, ST die ID 456, 1.94x2.4mm, 20 Ball, 4x5 Layout, 0.4mm Pitch, https://www.st.com/resource/en/datasheet/stm32u575og.pdf#page=306 ST WLCSP-100, off-center ball grid, ST die ID 494, 3.3x3.38mm, 49 Ball, 7x7 Layout, 0.4mm Pitch, YFF0006, NSMD pad definition Appendix A BGA 238 0.5 CP236 CPG236 Artix-7 BGA, 22x22 grid, 23x23mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=299, NSMD pad definition Appendix A Artix-7 BGA, 22x22 grid, 23x23mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=303, NSMD pad definition Appendix A BGA 484 0.8 RS484 Artix-7.

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