Subject:
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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 15:46:56 GMT
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Original-From:
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Steve Moffat <smoffat@hcitech.comSPAMCAKE>
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Viewed:
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896 times
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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 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!
<<...>>
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 2 Replies:
 | | Re: Motor Sensor
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| (...) [...] I'm not sure but I remember something I read in this group that the inputs on the RCX can only read resistance. Someone correct me if I'm wrong... Laurentino Martins [mailto:lau@mail.telepac.pt] [(URL) you check the web site first?: (URL) (25 years ago, 8-Jun-99, to lugnet.robotics)
| | | Re: Motor Sensor
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| (...) 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 (...) (25 years ago, 8-Jun-99, to lugnet.robotics)
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