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 Robotics / 19845
19844  |  19846
Subject: 
Re: compass sensor
Newsgroups: 
lugnet.robotics
Date: 
Wed, 25 Dec 2002 15:41:10 GMT
Original-From: 
Raphael Langerhorst <raphael-langerhorst@gmx.STOPSPAMat>
Viewed: 
1146 times
  
Hi Dave!


Three degrees sound acceptable.

Can you buy this compass sensor somewhere or did you build it yourself?
Do you have any schematics that I could build it myself? Any Link to a
web page?


Thanks,
Raphael



original message:

In article <H6697z.2C1@lugnet.com>,
"Henrik Johansson" <olsmuggler@oreline.net> wrote:

In lugnet.robotics, Raphael Langerhorst <raphael-langerhorst@gmx.at> • writes:
Hello!



Is there a very accurate (max. +/-2=B0) compass sensor that can be • used
with the RCX?


THANKS!
Raphael

Ther is a compassensor here:
http://www.hitechnicstuff.com/products.htm

But I don't know about the accurasy of it.

I have an early version that is pretty darned good, about +/- 3 degrees.

Not bad considering the inheirent inaccuracies and backlash/slop in Lego

gearing.  Refreshes pretty quickly and is quite responsive to direction
changes.  No problem even mounted on top of the RCX unit just an inch
above the motors.

DaveC



Message has 1 Reply:
  Re: compass sensor
 
The sensor element used can be found for sale at various suppliers. It is the PNI Vector 2X module. You will have to convert it's serial digital output to a format suited to use by the RCX. JB (...) (22 years ago, 26-Dec-02, to lugnet.robotics)

Message is in Reply To:
  Re: compass sensor
 
(...) I have an early version that is pretty darned good, about +/- 3 degrees. Not bad considering the inheirent inaccuracies and backlash/slop in Lego gearing. Refreshes pretty quickly and is quite responsive to direction changes. No problem even (...) (22 years ago, 25-Dec-02, to lugnet.robotics)

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