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Subject: Hard drive motor question
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NNTP-Posting-Date: Wed, 16 Oct 2002 22:13:19 EDT
Date: Thu, 17 Oct 2002 03:24:55 -0400
How can I get a motor salvaged from a hard drive to run? All the ones I
have salvaged so far are from 3 inch drives and all have 4 connections which
go to the motor, one of which is a ground. I haven't been able to tell much
from tracing things out on the PCB except that I now know that the motor
does not run from the 5 volt or 12 volt power supply directly.
That's all I want to do is get the motor turning at something close to it's
I guess that there must be some fast switching going on amoung the 3
remaining connections to the motor, and if this is so, is there some way to
duplicate this that isn't too complicated?? I made a wrong assumption that
since a hard drive motor is always turning when the computer power is on,
that it was running directly from the power supply. So now I need some help
in figuring things out.
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