Re: gEDA-user: Greetings from Fritzing

2009-01-22 Thread Stuart Brorson
Hi --

 I am one of the developers of Fritzing, a simple FLOSS EDA made for less
 technical (non-engineer) users.  Our project is young but we have been
 posting frequent releases since November.

Yeah, we're aware of the project.  I pestered you guys about a year
ago to get invovled with gEDA.  Welcome, and congratulations on
getting Fritzing off the ground!

 Introductions aside, I was hoping to start a dialogue between our
 groups.  We see our project as fitting into the EDA world in a different
 space from gEDA.  Most of our target audience have limited experience
 with electronics and are interested in realizing small, low-complexity
 prototypes.  However, as our software is limited (intentionally) in
 scope, some users may reach a stage where they need the more advanced
 EDA features of a package like gEDA.

Yeah, the protoboard paradigm for doing a design is very different
from the traditional PCB design flow (which is one thing gEDA tries to
do).  It's an interesting approach for electronics newbies
Reading your bulletin board, I see many people who like the interface
a lot.  Getting a user interface to be natural and intuitive is very
difficult!  (Particularly in an open-source project)

One thing.   Fritzing's close tie-in with Eagle is, um, out of
tune for an open-source/open-hardware project IMO.  But that's not my
decision to  make, and we're happy to see you guys are contacting us
(a real open-source EDA project).

 Right now, I'm working on a gEDA-PCB footprint import component that
 converts gEDA footprint files to our internal SVG based files.  In the
 long term we would be interested in supporting some sort of export path
 so that users can export Fritzing projects and continue working on them
 in gEDA.

Very cool!  Being able to convert gEDA/PCB footprints - Fritzing
footprints (both ways) would be very nice.  A big win would be that
one could use any SVG drawing program to create the footprints, and
then convert to a gEDA/PCB .fp file.

The question here is:  What is the structure of a Fritzing footprint?
That is, a footprint assumes a certain layer structure.  For example,
a through-hole footprint assumes you have top silk, top
mask, paste and metal, some clearance structure for inner layers, and
then bottom silk, mask, paste, and metal.  Also, one might also want
to provide a keepout layer and also other layers which I have probably 
forgotten.

So...  Is the footprint structure documented anywhere?  (I admit I
haven't looked.)

Cheers,

Stuart


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Re: gEDA-user: Greetings from Fritzing

2009-01-22 Thread Dave N6NZ
Brendan Howell wrote:
 Hello gEDAns,
 
 I am one of the developers of Fritzing, a simple FLOSS EDA made for less
 technical (non-engineer) users.  

Great!  There is a need for this.  I am active in the Homebrew Robotics 
club of Silicon Valley, and many people walk in with very limited 
experience in electronics.  Robotics/mechatronics combines 
software/electronics/mechanics, and the typical new member has a 
strength in one of those three and find one of those three alien.  I'd 
love to be able to point electronics newbies to a PCB package with a 
friendly learning curve that would allow them to build small simple 
boards, and have a graduation path to a more capable package like gEDA 
after they are comfortable with the concepts and want to do more complex 
boards.  (Not that gEDA is hard to use with some coaching... my daughter 
started routing her own PCB's at the age of 8 and loves it... but OTOH 
she doesn't make her own footprints.)

snip
 
 Right now, I'm working on a gEDA-PCB footprint import component that
 converts gEDA footprint files to our internal SVG based files.  In the
 long term we would be interested in supporting some sort of export path
 so that users can export Fritzing projects and continue working on them
 in gEDA.

Both excellent goals.  One of the best things you can do to make a 
newbie friendly pcb package is have a reasonable library of footprints 
ready to go from first install.  And for the users I envision, having a 
smooth migration path from Fritzing to gEDA is the perfect solution.

-dave

 
 Feel free to try out our latest builds, give us feedback, tips, gripes,
 etc.  And we are totally open to any kind of collaboration.
 
 http://fritzing.org
 
 best,
 Brendan Howell
 
 
 
 
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