I’d rather not draw that detail by hand for each button
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Of course, those characters require a font with deep Unicode support
The map() function flips the sense of the analog voltage coming from the pedal
Those are 1% resistors, chosen from the heap for being pretty close to what I needed
The setpoint current has only a vague relation to the resulting motor speed
That’s easier than hiding the setscrew
Under these conditions the speed ratio works out to 10.93
The Smell of Molten Projects in the Morning 