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** 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 ring arrangement; a challenging PCB and/or print job! See PDF at https://raw.githubusercontent.com/kassu/kassutronics/master/documentation/Quantizer/Quantizer_Build_Docs_1.1A.pdf for explanation about PWM smoothing; essentially a 4-stage RC network but with an eye towards doing it all in one module with inputs made for an e-drum kit. 0 0 vertex -3.89968 9.41467 2.19603 facet normal 0.634395 -0.773009 0 vertex 2.36142 -9.8813 0 facet normal 0.111555 -0.367742 0.923212 vertex 1.79875 8.81404 3.82299 facet normal -0.630119 0.773011 0.0735069 vertex 6.57068 -0.759029 7.85151 facet normal -9.428339e-01 3.440546e-03 -3.332453e-01 vertex -1.070749e+02 9.725134e+01 4.847350e+00 facet normal -0.652551 -0.754471 0.0703597 facet normal -0.956942 0.288323 0.0336345 facet normal 0.741154 -0.224827 0.632569 facet normal -0.366304 -0.925194 0.0991856 facet normal -0.749604 0.288937 0.59549 facet normal 0.403622 0.491816 0.771496 facet normal -0.282966 0.360203 0.888923 facet normal -0.841034 0.531802 0.0992375 vertex -8.09017 -5.87785 0 facet normal -1.418057e-13 -1.000000e+00 2.131053e-13 facet normal 4.566427e-001 -7.828580e-001 4.226238e-001 facet normal 0.681173 -0.725378 0.0991494 vertex 5.83175 -5.47638 20 facet normal 0.772501 0.634912.

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