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[DPRG] Re: Lego Mindstorms with a 9 Volt Battery

Subject: [DPRG] Re: Lego Mindstorms with a 9 Volt Battery
From: Rodent daweasel at swbell.net
Date: Tue Dec 31 23:30:01 CST 2002

I doubt you will be able to run any motors, but maybe the sensors and

----- Original Message -----

> Connect an ammeter in series with the AA pack and learn what current the
> module pulls. This should tell you pretty quickly whether or not the 9v
> cell can be used. Anything more than 15 mA means the 9v battery will die
> quickly.

> > The Mindstorms yellow brick is powered by 6 AA 1.5 volt batteries.  I'd
> > to reduce weight and have it powered by a 9 volt battery.  Has anyone
> > this?
> >
> > I noticed there is a 12 volt female connection on the brick  Does anyone
> > experience with this connection?  The Lego people said it was AC; I
would use
> > DC.

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