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 Robotics / 5213
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Subject: 
Re: 5225 LEGO 9V Motor
Newsgroups: 
lugnet.robotics
Date: 
Thu, 3 Jun 1999 20:52:04 GMT
Viewed: 
1099 times
  
Jim Karkanias <jkarkanias@REMOVETHIScoretech.com> wrote:
Hello - I think this has been handled in the newsgroup before but a search
didn't turn anything up...so just in case someone knows the answer off the
top of their head...

I understand that the RCX has three motor outputs but how many 5225 LEGO 9V
Motors in total can the system drive?  Given the way the connectors are
shaped it seems possible to stack the connectors and therefore place 2 (or
more?) motors on a given output...For example, could the RCX drive six
motors at once?  How about 9 at once? 12??

I believe somebody did a calculation based on the motor driver specs and
some motor current measurements and concluded that two motors was a safe
maximum, possibly under some assumptions that I have forgotten.

I would not be surprised, however, if the RCX contained a circuit designed
to allow any number of motors to be connected without damaging the unit.
You wouldn't get much power out of each motor, though, if this were the
case and there were to many motors connected.

-Kekoa



Message has 1 Reply:
  Re: 5225 LEGO 9V Motor
 
Thanks Kekoa, I'll have a look at what specs I can find, talk to lego to see if they can offer any add'l info, and perhaps do an experiment or two to see what happens ... I'll post the results for any who might be interested... Jim Kekoa Proudfoot (...) (25 years ago, 3-Jun-99, to lugnet.robotics)

Message is in Reply To:
  5225 LEGO 9V Motor
 
Hello - I think this has been handled in the newsgroup before but a search didn't turn anything up...so just in case someone knows the answer off the top of their head... I understand that the RCX has three motor outputs but how many 5225 LEGO 9V (...) (25 years ago, 3-Jun-99, to lugnet.robotics)

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