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RE: newbie help.

 --- Jeremy <> wrote: > Rick and
Russell,
> 
> thanks for the quick responses.
> 
> they don't seem to list the 5822 on their site:
>
http://www.advantech.com/estore/products/model.asp?Category_ID=
> 
> would the 300 mhz 5820 work? Version 1.0 is going to
> be the economy
> model. so I am looking for something that is
> cheaper, but not cheap
> if you get my drift. 

If the TV out isn't important to you this may be fine.
 I would recommend calling them for the price of the
5822 if you were to order over the phone.  I've
noticed their complete selection is not available from
their web store.

> I will definately need some guided direction on the
> power supply issue
> I can solder, but electronics is not my strong
> point. I took a course
> in basic electricity once so... I familiar with the
> concepts, but no
> expert.

On the PT6302 5V switching regulator - it's pretty
easy to set up.  There are 12 pins.  Pin 1 is for a
switch - which I personally do not use.  Pins 2-4
treat as a single pin and connect together - they are
where the input voltage goes according to the specs
9-38V.  Pins 5-8 go to ground or negative of your
input voltage.  Pins 9-11 are your output voltage (5V)
to the computer.  Since it automatically operates at
5V - you don't need pin 12 to tweak the voltage.

There are 2 capacitors that are needed :
1 ) 1 microFarad  between the voltage in and ground
2) Also a 100 microFarad electrolytic goes between the
output voltage and ground.

The capacitors are for stabilizing the the power.
Fairly simple.

> I also want to hook my GPS up via serial port. I
> would like to use it
> while hiking to take trail notes and write reviews
> for my (forth coming)
> hiking website. I am also interested in finding some
> GPS / Navivation 
> software, but I am not sure how all that will
> translate on a greyscale
> display.

Which GPS are you using?  I have a couple projects
ahead of it - but I plan on hooking my etrex up to it.

Rick

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