[TriEmbed] laptop fan motor control question

[Michael Monaghan]

On Tue, Feb 2, 2021, 1:23 PM Carl Nobile via TriEmbed <triembed at triembed.org>
wrote:

> From the label, it looks like a brushed motor which would be much easier
> than a DC brushless motor however brushed motors only have two wires, the
> third may be a sensor wire to the control circuitry in the laptop could
> change the speed of the motor.
> With that said, you would just need a 5V DC supply to power it. If you
> want it to have variable speed control you would need a PWM circuit which
> you can set up with an Arduino or an RPI.
> ~Carl
>
> On Tue, Feb 2, 2021 at 1:15 PM Pete Soper via TriEmbed <
> triembed at triembed.org> wrote:
>
>> I pulled a fan/heatpipe assembly out of a laptop to have for future
>> experiments and wonder what sort of control I need for it's three wire
>> motor connection? Here's the label on the outside. The DC resistance
>> between any two pins with any polarity is much higher than I would have
>> expected: thousands of ohms.
>> Thanks,
>> Pete
>>
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>
> --
>
> -------------------------------------------------------------------------------
> Carl J. Nobile (Software Engineer)
> carl.nobile at gmail.com
>
> -------------------------------------------------------------------------------
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