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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 buffering between (some) stages. Needs a TLC7524/AD7524 (a simple DAC that's still sorta analog) and a switch to disable reset (run once). Momentary-normal-off pushbutton to manually step. SPST switch per step, to enable/disable gate per step. (10 - One potentiometer for internal clock rate. One SPDT switch per step, to indicate direction? Pointer1 = 0; // [0:No, 1:Yes] TaperAngle=asin(KnobHeight.

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