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BackStep switches (all go to same bus) - run/stop 2x Pushbutton switches, all 2pin: - step - reset Pots, 3-pin: - Glide In - diode to U2-3 Clock In - diode to U2-3 Clock In - ~27K to U3-8? No, transistors maybe activate? Clock Out - 1K to TP5 - Gate Out - 1K to U2-14 Case Out - 1K to TP5 Latest commits for file Schematics/SynthMages.pretty/Perfboard_1x12.kicad_mod # Temporary files *.lck # KiCad backups folders temp_* # Compressed files *.zip # Mac stuff *.DS_Store # Emacs temps *~ \#* # LTSpice Simulations/*.log Simulations/*.raw Simulations/*.txt Copper Layer Stackup: T5 15.200mm 0.5984" (1 hole Total plated holes Total unplated holes count 16 Not plated through holes: ============================================================= T1 3.200mm 0.1260" (4 holes) (with 4 slots) T2 5.000mm 0.1969" (1 hole) T3 7.000mm 0.2756" (6 holes) T4 10.000mm 0.3937" (4 holes) (with 4 slots) T2 5.000mm 0.1969" (1 hole) T3 7.000mm 0.2756" (6 holes) T4 10.000mm 0.3937" (4 holes) (with 4 slots) T2 5.000mm 0.1969" (1 hole Total plated holes unplated through holes: unplated through holes: ============================================================= From a22bca6d29ddc0a54597dab4d11ad9ab7e48e3c6 Mon Sep 17 00:00:00 2001 Panels/FIREBALL VCO.png Normal file View File footprint "Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles_Shaft_Centered" (version 20211014) (generator pcbnew Show-stopping bugs needing bodges: Errant connection between R25 and R1. This needs to be larger than the SPDT toggle.\* In that case the pots and switches board ("Board B") must sit a few comics; standardized appending alt/title text under images (extra useful for non-browser users Invisible Bread, Softer World (alt tags we don't need to research further. Aisler - Germany; $16.04 per board with shipping for 128.5mm x 100mm, from pcbshopper Lion - India; $11.53 per board with shipping for 128.5mm x 100mm, from pcbshopper OshPark - US, included just for reference. $33.20/board from pcbshopper JLCPCB - China, included for reference. $5.89/board, from pcbshopper estimate on 02/06/2025 Digikey RED - worth looking into, mixed reviews Delete Page Deleting the wiki page "Samba Duro" cannot be undone. Continue? Main MK_VCO/Schematics/LUTHERS_VCO.diy 8073 lines