If you are interested in controlling a linear regulator with a PIC I
suggest you watch this:

http://www.youtube.com/watch?feature=3Dplayer_embedded&v=3DYaRDbw38x7Q

it is part 4  of an excellent series of video tutorials, I
highly recommend them all, but that is the one most relevant to this thread=
..

Here is the main link if anyone is keen to watch the rest:

http://www.eevblog.com/episodes/

Cheers
Chris


On 13 February 2012 16:35, 'Shawn <sdonohue@tbaytel.net> wrote:

> > If you are willing to do a bit of hacking and are willing to settle for
> some
> fixed outputs, then you can get a ATX
> > power supply from a computer and hack in some banana jacks for the 3.3,
> 5, and
> 12V outputs. You can probably
> > get one for free=85
> >
> > -Pete
> >
>
> There is a blurb on a website about doing
> this,
> http://www.wikihow.com/Convert-a-Computer-ATX-Power-Supply-to-a-Lab-Power=
-Supply
> .
> Also, since you are on the PIClist, using a PIC and a LCD display (ebay,
> 3$ with
> shipping) you could have a nice display too :-). Several have built them
> as PIC
> projects (documented on Youtube as PIC projects but not sure how they did
> them
> except one fella used a DAC, which I have never used.)I wondered if you
> used a
> Pic to control the adjust current on a LM317 (as mentioned earlier, 1 Amp=
)
>  or
> LM350 (3 Amp), could you build a nice inexpensive PS? I guess it is kind =
of
> turning into a project.
>
> I am new to PIC's but figure they are so versatile, they could add a lot =
of
> capabilities and control to a PS.
>
> Shawn
>
>
>
> > On Feb 11, 2012, at 1:15 PM, Nathan House wrote:
> >
> > > I'm burning through batteries like nobody's business and think it's
> > > high time I purchased a power supply. I know I can make my own board
> > > with voltage regulators for common voltages like 3.3, 5, 12, etc, but
> > > I think I'd rather have something that's adjustable and can source a
> > > lot of current in case I ever need it. I've been looking at power
>
>
>
>
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> http://mailman.mit.edu/mailman/listinfo/piclist
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