Re: gEDA-user: Success with gEDA tools...

[Steven Michalske <smichalske@xxxxxxxxx>]

On Jul 17, 2008, at 3:10 PM, Traylor Roger wrote:

> Gang,
>  I've now finished my third board with gschem/gaf + PCB.  I post
>  these pictures as an encouragement to others. I was was discouraged
>  at times learning the tools but with the help and support available
>  I finally pushed out some good stuff.  I've posted pictures of two
>  of them for your enjoyment.
>  See: http://flickr.com/photos/28724739@N06/
>
>  The larger board is a project I did for someone else (for money!).
>  It contains low level analog amplification, a ATMega48, a Li-Ion
>  battery charger/controller, 3.3V buck-boost converter, LCD driver
>  and CC2500 2.4Ghz transceiver chip.  The Li-Ion charger and buck- 
> boost
>  converter are in DFN packages with footprints I made myself. The
>  other footprints are adaptations of others stuff or my own.  You
>  can see the 2.4Ghz "meander" antenna top right.  Its done in 4  
> layers,
>  dedicated ground plane, split 5 and 3.3 volt power planes.  It was
>  manufactured by Advanced Circuits and stuffed locally by a contract
>  firm.  They had nothing bad to say about any footprints or the  
> layout.
>  Worked almost right away.  Note red wire and missing pullup. Keeps me
>  humble.

Green wires are less humbling, i suggest them.
>
>
>  The smaller board is a AVR USB programmer.  Its 1.5 x 2.5 inches.
>  It can program 3.3 or 5V parts.  It can also run the target board
>  from the USB port or the boards 3.3 volt regulator.  It uses the
>  usbasp code design and bit-banged USB protocol.  I love it.
>
>  Looking back, I'm really glad I decided to use the gEDA tools.  I've
>  learned a lot.  Thanks to all of you who have helped me.  To any who
>  are still sitting on the fence, go for it!  You can do it.
>
>  Thanks again,
>
>  Roger Traylor
>
>
>
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