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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 .../luther_triangle_10hp_rib_space_fixes.stl | Bin 0 -> 12097777 bytes Examples/precadsr.pdf | Bin 0 -> 31010 bytes Panels/label_test.stl | Bin 0 -> 163520 bytes Images/IMG_6777.JPG | Bin 0 -> 580484 bytes .../Panels/Radio_shaek_standoff_padded_2.stl | Bin 0 -> 11930 bytes 3D Printing/Panels/MAGIC MISSILE VCF.png differ From 2537badf2888da8d57706bf8be36ba8f10d4993a Mon Sep 17 00:00:00 2001 Subject: [PATCH] Am totally not using git correctly ec09111f77 Futura BT font files These were used in the mid surdos. * : trill, generally three very fast notes on repique/caixa, two or three for surdos paper "A4") updates to rev 2 beta by adding +5V, and both trigger/gate and CV routing updates led holes to PCB edge 8.2mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 26-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.54mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 15-pin D-Sub connector horizontal angled 90deg THT female pitch 2.29x1.98mm pin-PCB-offset 8.35mm mounting-holes-distance 63.5mm mounting-hole-offset 63.5mm 62-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.84mm pin-PCB-offset 4.9399999999999995mm mounting-holes-distance 63.5mm mounting-hole-offset 63.5mm 62-pin D-Sub connector, solder-cups edge-mounted, female, x-pin-pitch 2.77mm, distance of mounting holes 47.1mm, distance of mounting holes to PCB edge 11.32mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 26-pin D-Sub connector horizontal angled 90deg THT male pitch 2.41x1.98mm pin-PCB-offset 9.4mm 15-pin D-Sub connector, horizontal/angled.

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