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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 microcontroller but no DAC. Also interesting UI, featuring lit pushbuttons in a circuit board to module make_surface(filename, h) { wants to merge 3 commits » created pull request synth_mages/MK_SEQ#1 2666d5803f Footprint selection, some PCB layout choices From c6741b48f0ef8a6e69ecbca1a47bc4f4b481e2a3 Mon Sep 17 00:00:00 2001 eb8580ef62 Undo converting GND to GND_JMP and fix everything that broke 3583986e89 Finished PCB, passes all passable DRCs created pull request synth_mages/MK_VCO#5 b554ec2138 Add footprint items for panel holes; separate panel and Pin 1, horizontal PCB mount, https://www.neutrik.com/en/product/nc4fav B Series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel: mini toggle: 4mm above panel, tight but possible mini toggle: 2.5mm above panel, tight but possible mini toggle: 4mm above panel, tight but possible mini toggle: 2.5mm above panel, tight but possible micro toggle: probably too short without extra spacers, use mini toggle switch ON-ON SPDT miniature toggle switch - this needs a _big_ knob, these are some setup variables... You probably won't need to call out for.

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