Electronics > Electronics
Underwater IR
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zamboniman60:
IR won't work underwater...
http://www.easierrobotics.com/cgi-bin/forum.cgi
Admin:
Actually IR DOES work through water . . . and glass too.
I tested it out last week on my robot fish inside a fish tank. I placed my IR rangefinder outside of the fish tank, and it can detect the distance of my robot fish from the edge of the glass.
I have not yet tested accuracy loss or for other weird effects yet. Will get to that later. I would expect some kind of refocusing, meaning I would need a special calibration and can expect a lower accuracy.
The problem with any sensor underwater however is that murkiness and bubbles in the water will reduce sensor quality - not even the human eye could avoid that issue.
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