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===Motor control (pick motors, arduino software)=== ====Why does it exist?==== Obviously enough, this is how we actually do output. ====What is it?==== It takes in the bezier control points and runs the motor control operations required to actually draw those points. That is: it plans how long to take for the stroke, then figures out how fast to spin the motors (and in which direction) at each instant within that time period. ====What's the input?==== A set of bezier control points as above. I have worked out the math for how to move the motors over time to plot a bezier curve, so you just need to to run through that, controlling motor speed as appropriate. I don't know which motors to choose here, but it seems like variable speed DC motors are perfect for the job. ====What's the output?==== Changing lengths of control lines.
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