[dorkbotpdx-blabber] Power supply question

[John Brown]

I found this in regards to the wall warts and why they have output differences:

http://www.sparkfun.com/commerce/tutorial_info.php?tutorials_id=103

And then came across several tutorials on how to convert an ATX power
supply from a computer into a regulated voltage power supply. Here's
my favorite:

http://www.wikihow.com/Convert-a-Computer-ATX-Power-Supply-to-a-Lab-Power-Supply

I don't know if this will help anyone on future projects, just though
I would share. I found it pretty amazing.

-John Brown

On Tue, Dec 16, 2008 at 11:26 AM,  <krux at thcnet.net> wrote:
>> > I am trying to power 2 laser diodes that need ~4.5V and 50mA. I don't
>> > want to use batteries to power them, and have a box full of old power
>> > transformers.
>> >
>> > If I can find one that puts out 9V, can I run these in series and have
>> > them work? If the mA are really high, say around 1000mA, will that
>> > create a problem?
>
> One thing I noticed is that many wall warts don't give you a true 9v output.
> I would always regulate the supply voltage when dealing with laser diodes.
>
> perl -e 's++=END;++y(;-P)}\n?k++=;<+xru}?print:??;'
>
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