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 Robotics / *33008 (-20)
  of interest - Fw: BNA's Internet Law News (ILN) - 5/17/02
 
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 From: "BNA Highlights" <bhighlig@BNA.COM> (...) : : : "The only person sure of himself is the man who wishes to : leave things as they are, and he dreams of an impossibility" : -- George M. Wrong. : : (...) (23 years ago, 18-May-02, to lugnet.robotics)
 
  #9701 Control Lab building set with RCX's
 
How many RCX's and what software do you need to control the Vending Machine requiring 4 sensor input ports and 5 output ports at Brickshelf's (URL) it require RCX to RCX or Scout communication, e.g., Robolab mail? Brickshelf recently added building (...) (23 years ago, 18-May-02, to lugnet.robotics.rcx.robolab, lugnet.dacta, lugnet.edu)
 
  Re: Powering motors from the mains
 
I have the RCX 2.0 and it doesn't hace any power connector. Lego should have thought about that and at least sell a special adapter. Anyway, they didn't. ----- Original Message ----- From: "Larry Pieniazek" <lpieniazek@mercator.com> To: (...) (23 years ago, 17-May-02, to lugnet.robotics)
 
  Re: Powering motors from the mains
 
(...) You can do this but it's not recommended. As the RCX 1.0 has a bridge rectifier on the power input, it's recommended you use a 10v AC supply, to avoid buring out the diodes. ROSCO (23 years ago, 18-May-02, to lugnet.technic, lugnet.robotics)
 
  Re: Kris's VCS ActiveX Component
 
(...) It means "hard to find". The fact that you answered 6 months later is proof of that! (23 years ago, 17-May-02, to lugnet.robotics.vc)
 
  Re: Kris's VCS ActiveX Component
 
(...) Duncan, check out my website www.snoozysplace.be.tf You will find the latest version over there, and also my emailadres where you can ask me for the password. btw, English isn't my native language, so what does "elusive bloke" mean ? Greetz, (...) (23 years ago, 17-May-02, to lugnet.robotics.vc)
 
  Re: What is exception "StackOverflowError" in method "<clinit>"
 
(...) StackOverflowError could either be a stack overflow (maximum depth is 10) or a thread that dies from whatever exception (that seems to be a bug, but I couldn't yet figure out what causes it). I suppose TextLCD.print should work, though I never (...) (23 years ago, 17-May-02, to lugnet.robotics.rcx.java)
 
  Re: Powering motors from the mains
 
(...) No, they didn't, that was just a rumour. You can power an 1.5 or 2.0 RCX by connecting a _regulated_ 9V DC supply to the battery connectors (with the correct polarity of course). To power 3 stalled motors I think you need around 1A (not quite (...) (23 years ago, 17-May-02, to lugnet.robotics)
 
  Re: cygwin error
 
(...) / (...) 1) gcc for the H8/300 can be called h8300-hms-gcc or h8300-hitachi-hms-gcc. You may need to edit legOS's Makefile.common 2) Is the h8300 gcc in the PATH? Max. (23 years ago, 17-May-02, to lugnet.robotics.rcx.legos)
 
  Re: somewhat off topic, but...
 
Repost to proper newsgroup... ===...=== I'm NOT biased because I DIDN'T write the thing... Forth is a wonderful language that has a proven track record. I don't use it in my job simply because management has never heard about it. I don't mean to (...) (23 years ago, 17-May-02, to lugnet.robotics.rcx.pbforth)
 
  Re: Powering motors from the mains
 
In lugnet.technic, Mark Morgan writes:> (...) wanted to power, it is exactly what you need and no extra. Those 4548s turn up in the strangest places, though, so haunting old and poorly managed stores (TRU comes to mind, as Mark said!) that carried (...) (23 years ago, 17-May-02, to lugnet.technic, lugnet.robotics)
 
  Re: latest legOS strangeness
 
(...) I may be wrong - 'my' RCX is actually my brother's, and is 3 hours drive away - but doesn't the remote control with the official firmware do float when buttons released, but brake if forward and reverse are pressed together? Max (23 years ago, 17-May-02, to lugnet.robotics.rcx.legos)
 
  Re: Powering motors from the mains
 
(...) Thanks Larry and JB (via e-mail) I'll be following your advice. I'd always assumed the track power connection was hard-wired but this pic shows where a standard connecter attaches. (URL) the speed regulator facility might come in handy too. (...) (23 years ago, 17-May-02, to lugnet.technic, lugnet.robotics)
 
  Re: Powering motors from the mains
 
(...) 4548s were 5ukp in Toysrus a while back Someone in the UK has a UK 3 pin adaptor for $5 (URL) sure you can find a UK person to trade a controller. Mark (23 years ago, 17-May-02, to lugnet.technic, lugnet.robotics)
 
  RE: Microscout assembly?
 
Last night I took apart my Microscout just to see what was going on... Unfortunately, my pictures look like crap, so it'll be a few days before I post those (at least, the closeups of the guts). In the meantime, you'll have to suffer with my equally (...) (23 years ago, 17-May-02, to lugnet.robotics)
 
  Re: Part modifications
 
Don't cut anything. In this exact same situation, I use a pair of medium pulley-wheels, mated together with half-pins through the six outer holes (3 in one direction, 3 in the other). There is very little grip area, but because you are right at the (...) (23 years ago, 17-May-02, to lugnet.robotics)
 
  Re: Powering motors from the mains
 
(...) Purist approach is to use a 9V train speed reg and LEGO(r) wires from the speed reg to your motor(s), possibly through the polarity reverser switch to give control. The speed reg is powered from a wall wart trafo so if you buy a UK train set (...) (23 years ago, 17-May-02, to lugnet.technic, lugnet.robotics)
 
  Powering motors from the mains
 
I find batteries a pain, especially as there output isn't constant over their lifetime, therefore I'd love to be able to power my motors from the mains. I'd like to know what methods their are are doing this. I'd prefer a purist option but I do know (...) (23 years ago, 17-May-02, to lugnet.technic, lugnet.robotics)
 
  Re: BrickFest 2002 Presenters Wanted
 
(...) Sounds like a great line-up, I wish I could make it! Oh, well, there's always next year... ROSCO (23 years ago, 17-May-02, to lugnet.robotics, lugnet.technic)
 
  Part modifications
 
Well, this is probably off-topic for this forum, but I couldn't really find a suitable one and it *does* involve Mindstorms parts, sort of. ;) The one piece that seems not to be available but always in need for me is a part with a short axle on one (...) (23 years ago, 17-May-02, to lugnet.robotics)


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