nobody > wrote:
> Big Al wrote:
>> "The OTHER Kevin in San Diego" <skiddz "AT" adelphia "DOT" net> wrote
>> in message news:firstname.lastname@example.org...
>>> On Mon, 12 Sep 2005 08:46:37 -0700, "Bill M" <email@example.com>
>>>> While web browsing for code scanners I saw something cool. It's an
>>>> attachmet for laptop computers that plugs into the same socket a code
>>>> scanner uses. With this, the laptop displays guages you might
>>>> expect to
>>>> find in a jet plane. Use it while driving. Also, everything is
>>>> kept track
>>>> of, you can read it after your drive.
>>>> The cost is surprising. Under $300.00. Seems good, at first, but
>>>> a laptop
>>>> will cost over a thousand.
>>> You don't need much horsepower out of the laptop/notebook to do this.
>>> Something in the 500 MHz range with a decent amount of RAM will do you
>>> right. I run a package like this on my PII-266MHz notebook with
>>> "Slow" notebooks are a dime a dozen on Ebay.
>> Can you do other stuff with it? Like read the serial data in real
>> time? What interface do you have?
> Unless you have a "drive-by-wire" car (read expensive); even an old 386
> laptop can "read the serial data in real time" (actually even less but a
> 386 was where laptop color displays became common. You rreeaaalllyy
> need/want a color display for this!).
> There's one reason why older laptops go damned cheap; dead batteries.
> Often the replacement is more than what the 'puter is worth.
> Sometimes there is no source for replacements.
> For a diags/performance meterputer that's used only in the car or
> plugged into 120VAC; that's no biggy.
> If the laptop says 14-18 volts for AC adapter; it will probably run on
> "12"volts quite well. The extra volts are "charging overhead". Dead
> batteries don't need no steenking charges. Go to RatSnack and get one
> of those ciggyliter power cords with the assorted power plug ends. Find
> the right one , test it and heatshrink otr tape it (glue?)so it doesn't
> fall off. You now have a "carputer" . Just remember to shut Windows
> down before you pull the plug.
> As for the dead battery:
> If it slides into a pocket or fits under a cover, just pull it out. You
> may want to do something ro fill up the hole... get creative.
> If it's "kinda like part of the bottom" and won't sit well if removed;
> you can carefully crack the seams; gut the cells out; glue it back
> together; and put it back. If you know what you are doing; you *could*
> hardwire a ciggyliter cord to the terminals of the battery. Caution;
> doing this wrong could result in ugly smells and funny sounds and a
> slagged laptop. Electronics stuff works far better when you don't let
> the smoke out.
all good advise from nobody. Also, Google "carputer". You'll see alot
of good information on turn-key and roll-your-own systems...some of the
guys who rolled-their-own where quite "creative"...