Subject:
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Re: Motor Sensor
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 8 Jun 1999 22:35:23 GMT
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Viewed:
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916 times
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Steve Moffat <smoffat@hcitech.com> wrote:
> Greetings,
> I was thinking this weekend and would like to pass
> and idea/question on to the group. Would it not be possible to use a
> motor as a rotation sensor? I think my example would be more suitable
> as a speed sensor though.
> Lets say you have a drive shaft, you feed a motor
> off that shaft. The motor would then act as a generator. You then take
> the generator and hook it to an input port on the RCX. Set the port for
> "RAW". You may need to adjust the gearing to achieve the correct RPM
> for the generator to supply a sufficient/usable voltage range but the
> theory sounds good. I have not tested this set up, but I have tested
> using a motor as a generator and it works. Any feedback or ideas would
> be appreciated. Thanks!
The hardest part, assuming you could find a way to read both clockwise and
counterclockwise rotations, is going to be converting velocity (which is
effectively what the motor will tell you) into position, assuming that is
what you wanted to do. This is trickier than it sounds. If all you are
interested in is some indication of velocity, then the motor might do the
trick.
-Kekoa
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Message is in Reply To:
 | | Motor Sensor
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| Greetings, I was thinking this weekend and would like to pass and idea/question on to the group. Would it not be possible to use a motor as a rotation sensor? I think my example would be more suitable as a speed sensor though. Lets say you have a (...) (25 years ago, 8-Jun-99, to lugnet.robotics)
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