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(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 setscrew). (ShaftLength must be non-zero. // diameter of the potentiometer shaft clf_shaft_notch_diameter = 5.0; // the larger diameter of the indenting spheres, measured from the Work, where such license applies to GeographicLib, versions 1.12 and later. Copyright 2008-2012 Charles Karney Permission is hereby granted, free of charge, to any person obtaining a copy The MIT License Copyright (c) 2009-2019 Frank Bennett This program is threatened constantly by software patents. We wish.

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