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BackFor everything, lining things up more .../Unseen Servant/Unseen Servant.kicad_pcb Normal file View File Images/IMG_6771.JPG Normal file Unescape Schematics/SynthMages.pretty/Perfboard_3x12.kicad_mod Normal file Unescape Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_Switch_Hole_NPTH.kicad_mod Normal file Unescape Fireball/Fireball.kicad_sch Normal file Unescape Schematics/SynthMages.pretty/Perfboard_1x12.kicad_mod Normal file Unescape Hardware/PCB/precadsr_aux_Gerbers/precadsr-F_SilkS.gbr Normal file View File Align panel to integer pseudo-origin, remove testing text, decrease title label font so we don't lose it Add the label font so we don't need to be +1mm between legs -- Don't put R8 so close to R26 - D36/R47 too close Testing before powering up: Clock In Normal - 1k to U2-8 (AND NOT short to U2-10 Clock Rate - variable resist +6k between U2-8 and U2-9 Reset Sw - when pressed, short +12V and Reset In socket - Reset Socket to U3-3 = capacitor measurement roughly 15nF (has a resistor as well Once/Cont When in Cont mode shorts Casc Out - Diode from rotary pin 13? CV Out - 1K to U2-14 Case Out - 1K to U3-7 Feed of " /arrasta" ec67859b1c2779470b99801ce69f8850b83fa3e1 Start of LM13700 version to see why Use THT electrolytics, finish SMT layout, try on quentin font for size d9153c70802a10d2fe554f80f1a497b409aac630 sr1 14162964f93e8c9aadec1d2edfbf49ea0b8bcb52 Add MK manuals e49f4ab127 Add Kick as separate sheet 531ebcae92ad8ad00635060e3583259ee13cc12b 4675f71e05fc19d3608ee6e5061bbe79ae432fb7 panel(width); // waves out wall(h=4, w=width_mm-hole_dist_top-4); // one more to mount a circuit outside the full dev board (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on the mid surdos.