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Subject: 
Re: Thoughts on Battery-powered IR-controlled trains
Newsgroups: 
lugnet.trains, lugnet.dear-lego
Date: 
Fri, 13 Jan 2006 20:45:50 GMT
Viewed: 
399 times
  
In lugnet.trains, Ross Crawford wrote:
I'm not saying it's impossible, just that it isn't as easy as it might sound.
For instance, I would probably work out a few critical points on the layout, and
place an RCX at each, making sure it gets good coverage of all trains going past
(assuming "blind" running is possible). It would also allow time "gaps" where
I'm not directly talking to trains, so I can use IR to talk to other RCXs, but
it may not be easy to place them for best train coverage and still be able to
communicate with each other. I'm sure these problems are not insurmountable, but
it's gonna take some dedication to get it to work right in a show situation. I
would also need sensors to tell me when a train was going past, and logic to
know when there *should* be one - now I'm running multiple trains, my "network"
needs to know when there's been a derailment, otherwise my emergency rescue figs
are gonna start complaining of overwork ;)

You've also got the problem that if they work like the volume control on a TV
remote (which is likely) the signals are "speed up" and "slow down", not
absolute speed values.  Since you have no way of knowing whether the train
received a particular signal or not, you have no way to tell what speed it is
travelling at.


Jason Railton



Message has 1 Reply:
  Re: Thoughts on Battery-powered IR-controlled trains
 
(...) Agreed, and even if your RCXs can tell each other "I sent XX speed signals to the train" there's no guarantee it received them. I would be surprised if the control doesn't have a "stop" button though. ROSCO (19 years ago, 13-Jan-06, to lugnet.trains, lugnet.dear-lego)

Message is in Reply To:
  Re: Thoughts on Battery-powered IR-controlled trains
 
(...) Plus a remote is usually in the hands of the controller, so can be re-targetted as necessary - whereas an RCX controller would most likely be fixed to the layout somewhere, and disguised as an object of some kind on the layout. Otherwise you (...) (19 years ago, 13-Jan-06, to lugnet.trains, lugnet.dear-lego)

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