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The MCP4922 DAC (others may work). Probably can build our own based on this and/or Hagiwo's quantizer, if going digital ** https://note.com/solder_state/n/nde97a0516f03 and https://www.youtube.com/watch?v=op_DhPr2goc ** 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/Panels/luther_triangle_vco_quentin_v3_blank.stl.stl differ Binary files a/Images/precadsr-panel.png and b/Images/precadsr-panel.png differ 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 vias connect through the PCB is used. In loop position, loop\nis connected to trigger, gate jack is normalized\nto +12 V, and sustain voltage is taken from \npot pin 1 x 1 mm, 734-133 , 3 pins, pitch 2.54mm, package.

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