We tried is it possible to use optical mouse's camera for pointing aiming. Background of this was that we heard about a project where they made optical mouse's camera working so that it's possible to point any where and it move the cursor in the PC.
We get it working with arduino so that we get X and Y coordinates but we didn't get the picture out of the camera (video).
However, even if we are able to get optical mouse's camera working as a pointing device the biggest issue is that the camera only recognizes movement to certain distance, otherwise we will need automatic zoom or something.
Another thing what we tried this week was to get touch pad recognize finger gestures.
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