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BackDocumentation # ---> KiCad # For PCBs designed using KiCad: https://www.kicad.org/ # Format documentation: https://kicad.org/help/file-formats/ # Temporary files *.000 *.bak Initial version *.dsn *.ses Latest commits for file PCB Notes.txt Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules Latest commits for file Docs/precadsr_layout_front.pdf Panels/dual_vca.scad Normal file Unescape Hardware/Panel/precadsr_panel.png Normal file Unescape Hardware/PCB/precadsr_Gerbers/precadsr-B_SilkS.gbr Normal file Unescape Hardware/PCB/precadsr/ao_symbols.lib Normal file Unescape rotate_vector_cos = 0.94; // 'x' of 20 degree rotation rotate_vector_sin = 0.34; // 'y' of rotation left_edge = -rotate_vector_sin * rail_depth; right_edge = height - v_margin - title_font_size*2; working_width = width_mm - right_rib_thickness; Schematics/Dual_VCA.diy Normal file Unescape Hardware/Panel/precadsr_panel_al/precadsr_panel_al-cache.lib Normal file Unescape