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

[Levente Kovacs <leventelist@xxxxxxxxx>]

On Thu, 17 Jul 2008 15:10:09 -0700
Traylor Roger
<traylor@xxxxxxxxxxxxxxxxxxxx> 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.
> 
>   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.

Could you provide details on your USB programmer?

I have my own USB programmer too

http://logonex.eu/projects/usb500/index.php

Thanks,

-- 
Levente Kovacs
http://logonex.eu



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