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Unread 12-12-2007, 18:30
=Martin=Taylor= =Martin=Taylor= is offline
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Re: Limitless Potentiometers

Quote:
Originally Posted by 987HighRoller View Post
This is because we had something like 8 potentiometers break on us last year, mainly because they get locked inside due to load on the shaft . We were also thinking of encoders but are afraid of using too many interrupts and messing with the interrupts already used by sensors like the camera and gyros. Any advise?
Thanks
Our team has used magnet-sensors many times in the past. These sensors work two ways. Either you can glue magnets on a rotating surface and read them as they go by (like a big LP record).

Or you can actually sense the teeth of a sprocket - without any sort of preparation - provided of course that the sprocket is made of steel.

These sensors are a lot more durable than potentiometers since they have no physical coupling with the robot's moving parts.

We have used them in 2005 and 2007. However I think we had to make custom circuit boards for them.
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