Subject:
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Re: Powering motors from the mains
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 17 May 2002 18:26:07 GMT
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Original-From:
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Jonathan Spitz <JSPIAR@YAHOO.COMavoidspam.AR>
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Viewed:
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1259 times
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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: <lego-robotics@crynwr.com>
Sent: Friday, May 17, 2002 9:53 AM
Subject: Re: Powering motors from the mains
> In lugnet.technic, Steven Lane writes:
> > 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 which end is the dangrous one on a soldering
> > iron. It also has to work in the UK, home of the three pin plug.
>
> 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 or UK used speed reg (should not be too hard to come by) or
> even pay LD's high price for a new one, you should be all set. The UK wall
> wart will have the appropriate 3 pins for your funky mains points and will
> be 220v compatible.
>
> The wall wart from a speed reg can also power an RCX that has the power
> connector (1.0 but not 1.5. I do not know if they put it back for 2.0 or
> not) if you want to go that way...
>
> Hope that helps.
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Message has 2 Replies:
 | | Re: Powering motors from the mains
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| Those who can use a soldering iron, and know their anode from their cathode, could build something like what I did: (URL) black box is a 7809 9v positive voltage regulator. See the data sheet here: (URL) used a 12v wall wart to power the whole (...) (23 years ago, 18-May-02, to lugnet.robotics)
| | | lnpd and mandrake 8.2
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| Hi, I have install the last legOS and have install lnpd to. But i have a problem when i run an applcation lnptest for example : it don't work.... Here is the problem "lnp_init: Network is unreachable". I run lnpd with the command "lnpd --nolock (...) (23 years ago, 20-May-02, to lugnet.robotics)
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