Re: How to provide power to a spinning circuit ?
From: Jim Stewart (jstewart_at_jkmicro.com)
Date: 07/21/04
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Date: Wed, 21 Jul 2004 11:06:56 -0700
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 ?
You left out too many details.
1. How fast?
2. How many are you going to build?
3. How much money do you have?
4. How long does it have to last?
> BTW I can't seem to find a dc brushless motor manufacturer. Can you suggest
> any ?
Google is your friend.
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