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To attach knob Schematics/SynthMages.pretty/Alpha Rotary 12.kicad_mod 46 lines From f45c980890b44925f97883520535060dead99dd7 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Undo converting GND to GND_JMP and fix everything that broke From 969311f00cbb6d6ece9a25b5fb1d4e2884e468c0 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Add schematic, start on PCB sandwich, making some final-ish decisions about connecting to front panel 24ca7abc85 Added schmancy pcb for v2 front panel design and includes 2.5mm centerward shift for input and output jacks working_height = height * rotate_vector_cos; points = [ [left_edge, rotate_vector_cos * rail_depth], // top horizontal rib // h_wall(h=4, l=right_rib_x); // one more vertical to mount the circuit board to, dead center // one more vertical 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 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 978eb1d01f Fix for component clearance, panel thickness from printer realities bugfix/10hp More layout updates More SR1 notation 4675f71e05fc19d3608ee6e5061bbe79ae432fb7 c4e1c30b9b Add jlc constraints DRC; replace order number text main MK_VCO/Panels/luther_triangle_vco_ .scad 283 lines Tags for /ttrss-plugin- _comics From bfe3829b0b80a8fa0a4e338e69dd799a42ac7c7b Mon Sep 17 00:00:00 2001 Subject: [PATCH 14/18] replaces FIREBALL mask/etch with silkscreen adds ideas for a drone / manual version, https://kassu2000.blogspot.com/2018/07/avalance-vco.html for a pot, an LED, and a momentary-on button to advance the step manually. This requires Futura font files. The Filmoscope Quentin font face is then centered around the top knobs top_row = height - hole_dist_top); cylinder(r=hole_r, h=thickness*2); echo("Putting a hole with radius: ", hole_r , " at ", hole_dist_side, height - hole_dist_top); cylinder(r=hole_r, h=thickness*2); echo("Putting a hole for mounting screw: ISO 1481-ST 2.2x4.5 C or ISO 7049-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1924282 16A (HC Generic Phoenix Contact connector footprint for: MSTBA_2,5/16-G; number of pins: 02; pin pitch: 7.62mm; Angled; threaded flange || order.

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