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 Robotics / 4735
    Re: A robot who knows his position (fwd)
   <cut> (...) I have not tried this yet as I have not figured it all out yet but.... The dive compass I have (which is relativly large) has a window visible from the side this has degree markings and lines for every degree. The lines are reasonably (...) (25 years ago, 30-Apr-99, to lugnet.robotics)
   
        Re: A robot who knows his position (fwd) —Ralph M. Deal
     Mike Moran <mm@ee.ed.ac.uk> wrote in response to a compass query from rajackson@qnx.com: (...) Now if you can get the compass manufacturer to vary the degree markings so that the black lines have a grey line next to them before the white in one (...) (25 years ago, 30-Apr-99, to lugnet.robotics)
   
        Re: A robot who knows his position (fwd) —Mike Moran
   (...) around (...) disk (...) for (...) Well, I was just going to place the light sensor statically relative to the case of the compass, and overhead. It would simple note whenever the head of the arrow went past. This is pretty useless, which is (...) (25 years ago, 30-Apr-99, to lugnet.robotics)
   
        Re: A robot who knows his position (fwd) —Alan G. Smith
     For people that don't mind non-lego solutions, how about the Dinsmore compass: (URL) haven't personally used one yet, but it seems like with a bit of processing, you could get it to return a value like a light sensor. Also, the price is pretty good (...) (25 years ago, 30-Apr-99, to lugnet.robotics)
   
        Re: A robot who knows his position (fwd) —Ralph M. Deal
   On Fri, 30 Apr 1999, Mike Moran wrote: . . . (...) Yes. It is unnecessarily clumsy and heavy and would require considerable computer attention to track rotation successfully. I believe digital encoding would be better. Anyone know how one determines (...) (25 years ago, 30-Apr-99, to lugnet.robotics)
   
        Re: A robot who knows his position (fwd) —Mike Moran
   (...) moves (...) right (...) knows (...) That sounds like a challenge to me! ;-) I may just try and build something to prove it can be done or can't be done easily. I believe the attention required from the computer could be minimal. A first go at (...) (25 years ago, 30-Apr-99, to lugnet.robotics)
 

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