You could try a lower voltage wall wart... like 7.5 volts. No need for
1 amps either. Maybe 500ma.
Russ
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at&t: Your World Delivered... to the NSA
On Aug 20, 2008, at 9:01 AM, Mark Cookson wrote:
Hi All,
I'm a software guy, and I know a bunch of you guys know how to fix
electrical problems, so I was hoping you guys could help me with a
little electrical problem I'm having.
No laughing please... :-)
I have one of those spinning shinny ball things on my desk, powered
by a 9v battery:
http://www.officeplayground.com/jupiter.html
However, it sucks batteries dry like there's no tomorrow, so when
another piece of electrical equipment died and donated its 9v 2A
wall wart to science, I decided to wire the adapter to my spinning
shinny ball thing. There was no melting or smoke, so I thought I
was good to go.
However, the problem is that the magnet is now too strong and the
thing is trying to do complete 360s, except that its counterweight
is too tall, so it's bonking into the base, disrupting the whole zen-
meditation quality of staring at the spinning shinny balls.
Any idea what kind/value of resistor I would have to put in series
in the circuit to bring the magnetic power level down to something
more reasonable?
Thanks for helping me out with such a trivial problem! :-)
Mark
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