The first step any sane person would conduct in creating a device is to have a plan, and this is it.
The actual pointing will be done by a green laser pointer I purchased off Amazon for about $30 some time ago. It will be mounted on a pan-tilt rig constructed from two servo motors and some random scraps of wood. The servos will interface to the computer via an Arduino micro-controller and a webcam will provide the video feed of what to point at.
That's my plan, the rest is winging it. The hardware aspect of this project is rather simple and should hopefully be completed in a few days, but there is a lot of leeway with the software side of things, so completion of that will take a long time.
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