Re: How to provide power to a spinning circuit ?
From: Dingo (dingoatemydonut_at_aol.com)
Date: 07/22/04
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Date: 22 Jul 2004 09:00:28 -0700
"Rodo" <dsp1024@yahoo.com> wrote in message news:<WtALc.13795$Iz3.9732@nwrddc01.gnilink.net>...
> I need to make a circuit that needs to spin on the shaft of a small dc
> brushless motor. I thought I could use a permanent magnet mounted on the
> base of the shaft of the motor (not moving) and some coils that will be
> spinning on the pcb. I don't know if this will work or provide enough power
> (need 5mA) to the spinning pcb . Any better ways ?
A really tiny windmill, perhaps?
http://adsabs.harvard.edu/cgi-bin/nph-bib_query?2000SPIE.3888..256K
This could be a cutting edge project.
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