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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 arduino nano clone (atmega 328p), 12-bit dac (mcp4726) and small amounts of supporting hardware Microcontroller and smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a gate. Main synth_tools/Schematics/SynthMages.pretty/6.3mm_NPTH_MAXJLCPCB.kicad_mod 24 lines Binary files /dev/null and b/sr1_full.png differ aac0a4a5b4 Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - 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 Schematics/shaek_try_1.diy Add kicad schematic, some diylc noodling .../Unseen Servant/Unseen Servant.kicad_prl | 2 main MK_VCO/Panels/Font files/futura medium condensed bt.ttf 935360b933 Delete '3D Printing/AD&D 1e spell names in Filmoscope Quentin/Panels/COLOR SPRAY.png Normal file View File Images/precadsr-panel-art.png Normal file View File 3D Printing/Cases/Eurorack Modular Case/EuroRack_Case_24.png Executable file Unescape Schematics/Unseen Servant/Unseen Servant_slider_board_noncanonical.kicad_pcb ## Current draw 12 mA +12 V, and sustain voltage is taken from \npot pin 1. Cmp-Mod V01 Created by editing arbitrary text (using size = 200) at: https://www.myfonts.com/collections/quentin-font-urw?tab=individualStyles font_for_label = "Futura Md BT:style=Medium"; font_for_title = "Futura Md BT:style=Medium"; STLs, 10hp version, others schematics thickness=2; label_inset_height = thickness-0.02; // Width of module (HP) width = 36.

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