 | | Re: GBC Questions
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(...) I've had the same thing hapen when I'm using LDCC--'Whys the train moving slow??' <beep beep!> 'Rats! Reload the firmware...' Dave K (19 years ago, 28-Sep-05, to lugnet.org.us.laflrc)
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| | Re: GBC Questions
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(...) Not so far - both Steve & I have run numerous hours of GBC trains (engine plus a couple cars) from a 1.0 RCX. I only noticed two issues: (1) the output area of the RCX does get slightly warm, at least on mine, but never shut down due to (...) (19 years ago, 28-Sep-05, to lugnet.org.us.laflrc)
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| | Re: GBC Questions
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(...) We haven't used a large loop. Well, the loop at BF was big, but it was also divided into two segments. Also, the trains are only a couple cars long. It doesn't draw that much current. Steve (19 years ago, 28-Sep-05, to lugnet.org.us.laflrc)
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| | Re: GBC Questions
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In lugnet.org.us.laflrc, Steve Hassenplug wrote: <snip> (...) Thanks for telling--mucho appreciated. You don't find that having one motor port powering the entire track to be hard on the RCX? Dave K (19 years ago, 28-Sep-05, to lugnet.org.us.laflrc)
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| | Re: GBC Questions
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(...) welcome (...) Yes. The train motor is just another 9v motor, much like the one with the Mindstorms kit. (...) No. The reason for doing that (using the electrical plate) is if you are running big trains that put a large load on the RCX, or (...) (19 years ago, 28-Sep-05, to lugnet.org.us.laflrc)
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| | Hey Steve...
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First, thought I'd visit this group to see what's up... Anyway, for the GBC--specifically the train portion--Few questions-- did you just connect an RCX to the track? did you use the 2x8 electrical plate to combine all outputs a la Mark Riley's (...) (19 years ago, 28-Sep-05, to lugnet.org.us.laflrc)
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| | Re: Just a few highlights and points...
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(...) Nodes I haven't seen have a value of zero. Every time I [re]enter a node, I add 1 to the value that's currently there. If there's no right turn (I follow the right "wall"), I add 2. When the total is 4, you're done searching that node. So, (...) (19 years ago, 28-Sep-05, to lugnet.org.us.laflrc, lugnet.robotics)
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| | Re: Just a few highlights and points...
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(...) Yes, I'm sure that's it - you just *imagined* you maze-solver worked ;-). (...) Hmm. OK, that's got me confused. I *know* I'm storing more information than needed, but each node in the path only takes 2 bits? If those two bits encode the (...) (19 years ago, 28-Sep-05, to lugnet.org.us.laflrc, lugnet.robotics)
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| | Re: Just a few highlights and points...
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(...) I must have done something wrong. I'm only keeping 2 bits per node, instead of 8. Steve (19 years ago, 28-Sep-05, to lugnet.org.us.laflrc, lugnet.robotics)
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| | Re: Just a few highlights and points...
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(...) I didn't read it. But if I had... (...) Agreed. although if we start running mazes with loops (like Alegomazer did) I think mapping, physically, the maze will likely be needed - if for no other reason than to know when you've closed a loop. (...) (19 years ago, 28-Sep-05, to lugnet.org.us.laflrc, lugnet.robotics)
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| | Re: Just a few highlights and points...
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Brian, don't read this. (he's trying to work it out for himself...) :) (...) While this is a good "brute force" method of mapping a maze, you'll be saving, and trying to use quite a bit of information that you don't need. Assuming you can identify (...) (19 years ago, 28-Sep-05, to lugnet.org.us.laflrc, lugnet.robotics)
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| | Re: Just a few highlights and points...
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(...) Agreed. Using two rotation sensors could certainly work, but that takes two RCX inputs, leaving me only one light sensor for line following (OK most of the time) and detecting & describing junctions (rather more difficult with a single light (...) (19 years ago, 28-Sep-05, to lugnet.org.us.laflrc, lugnet.robotics)
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| | Re: Just a few highlights and points...
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(...) This is actually very interesting. I guess one way to do it is to use the 'always turn left (or right)' technique to find the way from start to finish with the first go at the maze, recording the (x,y) position of each turn and to save space, (...) (19 years ago, 28-Sep-05, to lugnet.org.us.laflrc, lugnet.robotics)
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| | Re: Just a few highlights and points...
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(...) How many times have I told you this? First, worry about the challenge. Then, worry about the other competitors. Here's a picture with the maze results: (URL) the web site has a 9mb video which includes the winning robot running the maze. (...) (19 years ago, 27-Sep-05, to lugnet.org.us.laflrc)
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| | Re: Just a few highlights and points...
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(...) Wow, great minds think alike... when I saw that post, and another one about a 3vil monorail (sorry I can't find the post anymore) I immediately thought about GBCs. I mentioned the idea of a GBC monorail to Steve last week, but after trying (...) (19 years ago, 27-Sep-05, to lugnet.org.us.laflrc)
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| | Re: Just a few highlights and points...
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(...) The advantage of working with Ben. We once had a racecourse set up so that the first car through a "canyon" collapsed the wall over the second car. Fun. I figure if it only pushes 2-3 balls, it has to make a lap every 2-3 seconds to handle the (...) (19 years ago, 27-Sep-05, to lugnet.org.us.laflrc)
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| | Re: Just a few highlights and points...
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[following up my own post...] somebody emailed me: (...) No, actually I've not even implemented that strategy as yet (and I really really should - walk before flying (or plummeting)). The thing is, the 13 Nov ChiBots rules: (URL) the winner as (...) (19 years ago, 27-Sep-05, to lugnet.org.us.laflrc, lugnet.robotics)
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| | Re: Just a few highlights and points...
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(...) hmm. That could be pretty cool. Maybe I'll have to get some of that track... (...) I have a maze robot that was lucky enough to win the event last November. It was a bit slower than the bot that finished second. However, after learning the (...) (19 years ago, 27-Sep-05, to lugnet.org.us.laflrc)
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| | Just a few highlights and points...
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No, I've still not made a LIDAR webpage for the site (I'm also considering a line-following page - Steve, I know you wanted to do that at one time on your site). But a few posts on LUGNET caught my eye: (URL) ran it through (URL) for a (...) (19 years ago, 27-Sep-05, to lugnet.org.us.laflrc)
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| | Re: LafLRC @ IndyLUG
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(...) I just set-up the train loop on my table at home. It's actually pretty small. The whole GBC pictured above will be moved 1 baseplate towards the left (front). The train will not run right against the back of the GBC. It will be 8 studs away. (...) (19 years ago, 27-Sep-05, to lugnet.org.us.laflrc)
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