When will gEDA start providing support for "printed" circuits? :)
Tarun
Modified ink printer churns out electronic circuits
* 18:24 18 April 2007
* NewScientist.com news service
* Tom Simonite
A desktop printer loaded with a silver salt solution and vitamin C has
been used to produc
Note, also, that any user can use cvs to download (and update) the
entire web site, which includes the symbols and footprints in their
current structure.
Agreed.
I feel that for someone who is not interested in updating/uploading
anything, a tarball is much easier than setting up CVS. At least
Gedasymbols is primarily a contributor place, not a replacement for
the shipped libraries. Symbols which have proven themselves, and are
popular, should be migrated from gedasymbols to the official
libraries.
In any case I'll elaborate what I was thinking.
I was thinking that open-source compo
Can we store all the contributed symbols, footprints, and the like
in two forms: one per-contributor as it is now, and the other in
a single well-structured and usable tree which can be downloaded
and used by a geda user?
When a geda user downloads and uses these components from
a contributed rep
I corrected the documentation and added the TO220 pads example to
the Examples section.
Great. Thanks. :)
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A script to place TO220 pads can be pretty simple (see below). The
poorly named routine element_add_pin_oval overlays a pin, a rounded pad
on the component side and a rounded pad on the solder side.
I have been reading your (excellently-formatted reference-class) documentation
on your library. T
Very interesting. What's Pcb_8? Where do I find it? I'm looking through
your Website to see if there's some Perl module there.
Found Pcb_8 in your Perl library documentation. Thanks.
Tarun
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http://w
A script to place TO220 pads can be pretty simple (see below). The
poorly named routine element_add_pin_oval overlays a pin, a rounded pad
on the component side and a rounded pad on the solder side.
Very interesting. What's Pcb_8? Where do I find it? I'm looking through
your Website to see if th
You may want to try one of the many footprint scripts that are around.
Making the footprints in a batch using a script is a lot less error prone
than one by one in the GUI.
If you are looking for DIPs or SIP headers with rounded pads over pins
you could try my website.
Actually I've seen some o
> 3. There should be native support for elongated vias (they
> are called "pads" in Eagle) when defining an element.
The way to do this in pcb is to put a pin and a pad in the same place.
The pin gives you the drill hole, and the pad defines the elongated
copper shape.
Yes, I've tried this
This is almost a religious issue.
Aren't most questions which have many correct answers? :)
However, I personally recommend users to install into a new directory,
/usr/local/geda, and then set their $PATH variables to point to it...
Great. This is really I wanted to know. I wanted to know ho
Another point: I thought it would be useful to have more control
over the different attributes which get printed or exported in Gerber
plots. I really like the way Eagle breaks all attributes into layers,
and then allows me to define a "CAM job" to generate, say, the
silkscreen layer. While defini
I am a beginner, and I have a lot of exposure to Eagle, so please
keep these limitations/biases in mind.
I would really like to see the following additions:
1. In gschem, when selecting a footprint, I would like to see the
footprint _and_ its description in a popup window. I should be
abl
Do not install as root. If you install as root, and you need to
install system-wide dependencies, the installer becomes confused when
it tries to fire up an expect session as root.
Now I'm confused. In all these years of working on Unix, I've always
thought packages need to be installed as root
Great. How do I ask Ales for a login?
Got it. ahvezda at geda.seul.org.
Tarun
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I just asked Ales for a http://geda.seul.org/wiki login. It's for the gEDA
suite
Great. How do I ask Ales for a login?
Tarun
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Thanks, all of you guys. Specially Dan, your explanation of
pin names and numbers was desperately needed.
Here is the problem. In PCB, pins have a name and a number. The number
is specific to the package and the name is specific to whats inside the
package. Lets take a SO8 package that happen
Can any of you please help me with this question? Why didn't
the .cmd file work?
Tarun
-- Forwarded message --
From: C P Tarun <[EMAIL PROTECTED]>
Date: Mar 14, 2007 9:33 PM
Subject: Re: gEDA-user: Hi first post
To: gEDA user mailing list
Guys,
Can you ple
My Active crossover designe might be interested for you... if not, just
ignore.
http://web.interware.hu/lekovacs/xover/index.html
Very interesting, thanks. I've bookmarked the page; will read it over
the next few days and check out your gschem and PCB files.
--
__
Guys,
Can you please help me with one part of my original question?
1. When I load the netlist into the PCB program, it gives errors
saying that it couldn't find pins with the names given in the
footprints, or some such thing. Just try loading my .pcb file
first, then try loading t
2. Yes, lots of people call for heavy symbols, in which each symbol
calls out a specific footprint, and there's no discrepancy between
pinnumber on the symbol and on the footprint.
Hmmm... I think this is the approach which is "safest" for a novice
designer like me. I guess I'll just roll my ow
I use a part that has a NPN and a PNP in one package. Six leads, six position
numbers,
2 C's, 2 B's, 2 E's. How would you deal with that?
For any device other than transistors, I guess numbers are fine.
After all, for those devices, you don't have a universally accepted
single symbol which i
> 8. I wanted elongated pins/pads for some of the higher-current
> devices. So I incorporated them. I don't know whether it'll
> work in reality when I include the device in PCB. I haven't yet
> generated Gerbers and checked.
Should, if the pads and pins have the same number.
Can m
> Yes, I saw the notes on gedasymbols.org, and also wrote to DJ
> asking him for a CVS upload account on his site. He hasn't yet
> gotten around to replying.
Only because I didn't see it, please send again.
Just did. Hope it reaches this time.
> I've already begun. I wish there was a "footpri
Yeah, like John pointed out this is a problem with the symbol
${geda install dir}/share/gEDA/sym/analog/npn-2.sym. It uses B, C,
and E as the pin numbers. The pinnumber needs to be a number, and
the numbers should correspond to the numbers on the footprint you want
to use.
Even if I assume tha
Thanks, all of you. I really appreciate the help. Am feeling a lot
more relieved.
I now realise that just like I like my own resistors and capacitor
footprints more than the ones I found in the PCB libraries, I will
probably need to build my own edited collection of gschem symbols.
I can live wit
And here's your netlist:
unnamed_net2R2-2 Q1-B R1-2
unnamed_net1R1-1 C1-2
siggnd R2-1 Q2-E Q1-E C1-1
So what's wrong? Q1-B, Q1-E and Q2-E all exist, as in your schematic;
the other connections don't. I may be dense, but I don't see any
problem with what you have..
You're not den
> What I really need to know is how did this happen? When using gschem, I
> tried moving each transistor to check whether the nets were connected to
> the pins or not, and they moved with the symbol, showing connection.
> After that, why did the connections not show up in the netlist?
They did sh
Your netlist at
http://www.dhandanought.org/tcpip/audio/EXP/geda-probs/test-schem.net
does have all the connections made in the schematic The schematic
shows no connection to
B or C on the transistors. siggnd has Q2-E which is all there is for Q2.
Simple as that.
Q2 pin E is connected to n
Stuart,
Thanks for a very helpful response.
1. Although it's not (yet) mandatory, we usually suggest that
footprints use .fp as a file suffix.
Yes, I saw the notes on gedasymbols.org, and also wrote to DJ
asking him for a CVS upload account on his site. He hasn't yet
gotten around to replyin
Welcome !
Read your post on diyaudio as well.
I am active as blu_line over there.
Kewl!! So we diy audio guys do have some presence in the
geda gang after all! Great. :) Hope to see interesting circuits
built using geda. I'm waiting for the time I'll get my first
audio circuits done using gsche
I have tried to create some common footprints in PCB, partly just
to learn how this thing works. Since I have some experience with
Eagle, I liked the footprints in their library.
So I saw the footprints for common components in PCB and didn't
like their barebones shapes, and decided to create som
Hi guys,
I'm new to this list, and I've just begun exploring gschem and PCB
a week or so back. Thought I'd introduce myself.
I am an engineer by qualification and am interested in audio system
building. Hence my need for a circuit design environment. I have
used Eagle (the free version) for a fe
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