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Subject: 
Re: PC <> RCX Communication?
Newsgroups: 
lugnet.robotics
Date: 
Mon, 29 Nov 1999 00:54:15 GMT
Original-From: 
Maneesh Soni <maneeshsoni@hotmail.%StopSpammers%com>
Viewed: 
534 times
  
Kornel Lambert (Email: kornel@black-hole.co.uk) wrote:
The best I have gotten out of it is a 1600x2400 image of an A4 page, after
tweaking to compensate for the 'dead time' of the gears the picture quality
is very good. The drawback is that the A4 page at that resolution took 6
hours to scan :o)


Hi!

Could you suggest the tweaking mechanism for the 'dead time' of gears.
I am facing similar situation with a plotter that I am trying to program on
RCX. The length of a lines drawn with motor moving for same time in opposite
directions is not the same. There is an ratio of 5:6 in the length of the
two lines.

Could you suggest how you toubleshoot it?

Maneesh



Message has 1 Reply:
  Re: PC <> RCX Communication?
 
(...) on (...) opposite (...) The solution I came up with was to measure the time it took the gear train to go from one direction - through it's dead zone - to biting in the other direction. Then whenever the gear train needs to switch direction, (...) (25 years ago, 29-Nov-99, to lugnet.robotics)

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