As I want some of the interactions of my product to be microscope-ish, I wanted to use potentiometers to control some aspects of the image on screen - such as moving the feed on the x & y axis, & changing the scale of the picture (as well as turning the feed on & off).
Instead of using Pure Data as I originally thought, I have managed to use an Arduino board & Processing. The video of the system working is below:
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