[Robotgroup] aaarrrrggggg - WARNING -- READ THIS!!!

Paul Atkinson pmatkinson at gmail.com
Fri Oct 5 09:04:33 PDT 2007


FWIW, the first BS2 schematic I looked at shows barrel negative, center
positive.
http://www.parallax.com/dl/docs/prod/boards/BOERevC.pdf

Paul

On 10/5/07, Paul Atkinson <pmatkinson at gmail.com> wrote:
>
> I've already used this particular power supply with both a BS2 and a
> Propeller, FWIW.
>
> Paul
>
> On 10/5/07, Ed Xavier Gonzalez < ohlaser at swbell.net> wrote:
> >
> > WARNING -- Be absolutely certain whether the center conductor for the
> > board
> > is (+) or (-) or you'll destroy the board if not properly protected
> > (just
> > ask Gray about that).
> >
> > The website does NOT specify whether they're center (+) or (-).  I
> > looked
> > on a number of the board pages and all the power supply pages and
> > couldn't
> > see it specified.
> >
> > Just thought I'd throw in my observations.
> >
> > ED-209 <click> <ka-chunk>
> >
> > ---------------------------------------------
> >
> > At 09:47 AM 10/5/07, Paul wrote:
> > BS2 needs 6-9VDC at >=300ma (guessing at current based on a servo, BS2
> > and a
> > bunch of LEDs.)
> >
> > <snip>
> >
> > [and also]
> >
> > I've got a 7.5VDC @ 1.7A here in my hand. I'll throw it in my car. I
> > will
> > need it back though.
> >
> > Paul
> >
> >
> > <The right to Free Speech does not diminish the value of remaining
> > silent>
> >
> > Ed Xavier Gonzalez
> > Oak Hill Laser
> > ohlaser at swbell.net
> > (512) 288-5243
> >
> > _______________________________________________
> > Robotgroup mailing list
> > Robotgroup at puremagic.com
> > http://lists.puremagic.com/cgi-bin/mailman/listinfo/robotgroup
> >
>
>


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