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'[EE]: CAD Symbols'
2001\11\03@164349 by Josh Koffman

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Another "not sure if it's EE post" :)

Does anyone have any electronic schematic symbols for AutoCAD? I'd like
the basic ones, resistor, capacitor, switch, transistor, relay, etc. I'm
getting better at AutoCAD, and perhaps instead of drawing my schematics
on scraps of paper or napkins, or even worse, just building the darn
thing with no paperwork, I feel I should perhaps start to formalize my
building process. Any ideas? Links? Suggestions? They would be muchly
appreciated.

Thanks,

Josh Koffman

p.s. No one really answered one of my questions...is clear nail polish a
good insulator? I have access to it cheap (roommates), and as a plus,
it's clear so I can see underneath it. Thanks :)

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2001\11\03@175813 by Chris Carr

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Josh Koffman wrote :


> Does anyone have any electronic schematic symbols for AutoCAD? I'd like
> the basic ones, resistor, capacitor, switch, transistor, relay, etc. I'm
> getting better at AutoCAD, and perhaps instead of drawing my schematics
> on scraps of paper or napkins, or even worse, just building the darn
> thing with no paperwork, I feel I should perhaps start to formalize my
> building process. Any ideas? Links? Suggestions? They would be muchly
> appreciated.
>
I believe this firm has a library for Autocad. I know they have for
Autosketch,
as it is what I use.
http://www.mum.de/
>
> p.s. No one really answered one of my questions...is clear nail polish a
> good insulator? I have access to it cheap (roommates), and as a plus,
> it's clear so I can see underneath it. Thanks :)
>
Perhaps because no-one wants to risk being sued.
It may work it may not. It depends on the formulation. Insulation is not
the only thing you must consider. Does it react with
the wire or other materials either in the short or long term? How stable is
it?
Is it fire retardant? etc. As you intend using materials for applications
for which they are not intended it is up to you to do all necessary tests.
Or just use it anyway and hope you do not kill anyone - how lucky do you
feel

Someone else has suggested bathroom sealant. The same applies. Some
formulations contain acetic acid.

You can even run into problems with conformal coatings and potting materials
intended for electrical use if you use the wrong one. At least with these
you can read the datasheets and make an informed choice, even get technical
help from the manufacturer.

Have you considered using Heat Shrink Sleeving ?

Chris Carr

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2001\11\04@003934 by Dwayne Reid

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At 04:58 PM 11/3/01 -0500, Josh Koffman wrote:
>Another "not sure if it's EE post" :)
>
>Does anyone have any electronic schematic symbols for AutoCAD? I'd like
>the basic ones, resistor, capacitor, switch, transistor, relay, etc. I'm
>getting better at AutoCAD, and perhaps instead of drawing my schematics
>on scraps of paper or napkins, or even worse, just building the darn
>thing with no paperwork, I feel I should perhaps start to formalize my
>building process. Any ideas? Links? Suggestions? They would be muchly
>appreciated.

If I remember correctly, Lawrence Lile <spam_OUTllileTakeThisOuTspamtoastmaster.com> has some on
his website.  Maybe try writing him and asking.

dwayne



Dwayne Reid   <.....dwaynerKILLspamspam@spam@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
(780) 489-3199 voice          (780) 487-6397 fax

Celebrating 17 years of Engineering Innovation (1984 - 2001)

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Do NOT send unsolicited commercial email to this email address.
This message neither grants consent to receive unsolicited
commercial email nor is intended to solicit commercial email.

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2001\11\04@005432 by Josh Koffman

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Is it free or commercial? Do you have a more exact link? I can't read
the page as I don't speak German.

Thanks,

Josh

Chris Carr wrote:
{Quote hidden}

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2001\11\04@033847 by Chris Carr

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> Is it free or commercial?
It's commercial of course. If you can afford Autocad
you can afford to pay for the libraries that go with it ;-)

>Do you have a more exact link?
No

> I can't read the page as I don't speak German.
Neither can I. Being a Yorkshireman some people assert that
I even have problems with English 8-)
You will have to do what I do. Use Bablefish,
an English/German Dictionary and a Brain Cell or Two.
It's like manually decompiling pic hex code.
>
Then again perhaps you could use a Search Engine. I just did
putting in "Autocad Symbol Library" (without the quotes) and it
came up with 7500 hits with an electronic symbol library on the
first page.

Chris Carr

>
> Chris Carr wrote:
> >
> > Josh Koffman wrote :
> >
> > > Does anyone have any electronic schematic symbols for AutoCAD? I'd
like
> > > the basic ones, resistor, capacitor, switch, transistor, relay, etc.
I'm
> > > getting better at AutoCAD, and perhaps instead of drawing my
schematics
{Quote hidden}

is
> > it?
> > Is it fire retardant? etc. As you intend using materials for
applications
> > for which they are not intended it is up to you to do all necessary
tests.
> > Or just use it anyway and hope you do not kill anyone - how lucky do you
> > feel
> >
> > Someone else has suggested bathroom sealant. The same applies. Some
> > formulations contain acetic acid.
> >
> > You can even run into problems with conformal coatings and potting
materials
> > intended for electrical use if you use the wrong one. At least with
these
> > you can read the datasheets and make an informed choice, even get
technical
{Quote hidden}

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2001\11\04@115949 by Josh Koffman
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Thanks for the reply. For the record, I can't afford AutoCAD. I have
access to it in a school lab. I will try searching the web. I just
wanted to see people's opinions and experiences to see what to avoid.

Josh Koffman

Chris Carr wrote:
{Quote hidden}

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2001\11\04@181814 by Patrick Murphy

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Josh,
a free library of AutoCAD symbols is available here:

 <http://www.engr.unl.edu/ee/eeshop/cad.html>

HTH,
Patrick Murphy
James Valley Colony

Josh Koffman wrote:
>
> Thanks for the reply. For the record, I can't afford AutoCAD. I have
> access to it in a school lab. I will try searching the web. I just
> wanted to see people's opinions and experiences to see what to avoid.
>
> Josh Koffman
<snip!>

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2001\11\05@103607 by Lawrence Lile

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I keep a set of Autocad drafting symbols on my web page.  Don't use them
anymore, but they are way useful if you use AutoCad.  Lately what I do is
draw in Eagle, use the DXF export program, then import into Autocad to
create a titles block, BOM, notes, physical dimensions, and so on.

http://members.socket.net/~llile/acad1.htm

--Lawrence

P.S. if the above link has funny looking characters in it, let me know, I've
been having trouble with this lately.

{Original Message removed}

2001\11\05@104815 by Lawrence Lile

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Autocad is a powerful drafting program.  For electronics drafting, it is OK,
but a little klunky.  I used to draw all of my schematics and PC board
layouts in AutoCad.  I know a shop (University of Missouri Electronics Lab)
that still does.

If you are just starting out, I'd suggest trying Eagle (http://www.cadsoft.de  and
yes they have a US diostributor with a website in English) and learn how a
"real" electronic cad program works.  Autocad is great for drawing buildings
or dimensions of circuit boards, or dimensioning the plastic parts that go
along with your circuit.  As an electrnics tool, it is kind of a ten-pound
tack hammer. You will not waste any time by learning AutoCad.  I spend a lot
of time creating mechanical parts (switch leaves, knobs, plastic mounting
brackets, cases, supports, and so on) using Acad.  Also, some mechnanical
engineer is going to hand you an AutoCad drawing with a tiny little box
drawn on it.  "Here, fit your Pentium IV in this little box!"  He will say,
laughing.  You will have to try to squeeze your electronics into it, a task
you'll be glad to know AutoCad for.

I've sent a link to my library of AutoCad symbols in another message.  If it
doesn't work contact me offlist and I'll send it another way.


--Lawrence Lile

{Original Message removed}

2001\11\05@211011 by Josh Koffman

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Thanks, I will check it out!

Josh Koffman

Patrick Murphy wrote:
{Quote hidden}

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