Re: How to provide power to a spinning circuit ?

From: Bob Stephens (stephensyomamadigital_at_earthlink.net)
Date: 07/21/04 

Date: Wed, 21 Jul 2004 21:41:31 GMT

On Wed, 21 Jul 2004 20:37:10 GMT, Rodo wrote:

> Hi all...
>
> 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 ?
>
> BTW I can't seem to find a dc brushless motor manufacturer. Can you suggest
> any ?
>
> Thanks

Slip rings? 

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