To LUGNET HomepageTo LUGNET News HomepageTo LUGNET Guide Homepage
 Help on Searching
 
Post new message to lugnet.roboticsOpen lugnet.robotics in your NNTP NewsreaderTo LUGNET News Traffic PageSign In (Members)
 Robotics / 4770
4769  |  4771
Subject: 
Re: A robot who knows his position (fwd)
Newsgroups: 
lugnet.robotics
Date: 
Fri, 30 Apr 1999 14:49:16 GMT
Original-From: 
Ralph M. Deal <deal@kzoo.SPAMCAKEedu>
Viewed: 
2854 times
  
Mike Moran <mm@ee.ed.ac.uk> wrote in response to a compass query from
rajackson@qnx.com:

> <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 large 2mm  or  so  and  have  a  very
> distinct white  on  black marking. It should be possible to detect the
> lines  with the light sensor, but detecting the direction of  rotation
> may be more  difficult.  There is also a large white arrow on the top.

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 direction, you could use a two bit light sensor to determine the
direction.  How many intensity bits does the normal light sensor have?

Best, Ralph   deal@kzoo.edu

--
Did you check the web site first?: http://www.crynwr.com/lego-robotics



Message is in Reply To:
  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 (...) (27 years ago, 30-Apr-99, to lugnet.robotics)

6 Messages in This Thread:



Entire Thread on One Page:
Nested:  All | Brief | Compact | Dots
Linear:  All | Brief | Compact
    

©2005 LUGNET. All rights reserved. - hosted by steinbruch.info GbR