LEGO SYSTEM Trains : 13767


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Subject:	Re: Mindstorms Automatic Train Control Questions
Newsgroups:	lugnet.trains, lugnet.robotics
Date:	Wed, 31 Oct 2001 02:37:04 GMT
Viewed:	751 times

You can use Scout to control trains like using RCX, I had tested. The difference is that Scout only can use passive light sensor, then they only have two input and output ports, then you only can use NQC, not legOS. When you write NQC, you can use __RCX, __SCOUT and __RCX=2 for different parts of your program. If you use RCX/Scout to control tracks not trains, you don't need so many RCX/Scout, separate your layout to blocks, then one block is connected to one output port of RCX/Scout, this way is better than putting RCX/Scout on the train, because you don't need to modify your train. Good luck! Zhengrong David Niemann wrote: > Hello all, > Thanks for your help. I am back with more questions. First, is it possible to > use scout computers like the one in this auction > http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=1653386680 > to control trains instead of the RCXs? Is looks like they're a lot cheaper, but > are they not as good as the RCX? Also, I am wondering if I could make my subway > layout a little more complicated without needing a lot of extra RCXs and stuff. > My idea is to have two tracks at the end of the layout, and then have two more > tracks for the rest of the layout. In other words, the inner tracks will go all > the way down the layout, but the outer tracks will terminate about 3/4 of the > way down. I want to run two local trains on the outer tracks and two express > trains on the inner tracks. Would it be possible for me to have my local > trains stop at stations that my express trains don't stop at? Or would I need > to throw too many RCXs into my shopping cart to do this? Thanks again for your > replies. > > David -- RCX Controlled LEGO Train Projects http://legochina.virtualave.net

Message has 2 Replies:

		Re: Mindstorms Automatic Train Control Questions
One Addition for Scout, you can use a fiber cable to connect Scout and a micro-scout, let that micro-scout to control a switch point, so you can get three output ports from Scout. Then if you can put Scout on a special position with a external light (...) (23 years ago, 31-Oct-01, to lugnet.trains, lugnet.robotics, lugnet.robotics.scout)

		Re: Mindstorms Automatic Train Control Questions
(...) With the Scout (or RCX for that matter) you can use a phototransistor as a light sensor for the scout. Put a light or IF emitter on the other side of the track and it can detect a break in the light. You can count cars or anything you want. It (...) (23 years ago, 31-Oct-01, to lugnet.trains, lugnet.robotics)

Message is in Reply To:

		Re: Mindstorms Automatic Train Control Questions
Hello all, Thanks for your help. I am back with more questions. First, is it possible to use scout computers like the one in this auction (URL) control trains instead of the RCXs? Is looks like they're a lot cheaper, but are they not as good as the (...) (23 years ago, 30-Oct-01, to lugnet.trains, lugnet.robotics)

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