On Thu, 17 Jul 2008 15:10:09 -0700 Traylor Roger <[EMAIL PROTECTED]> 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/[EMAIL PROTECTED]/ > > 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 _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user