How about the Butterfly? It's based on the Mega169 instead of the Mega168 but it has the ISP header (plus JTAG header) and brings out two 8 port headers (on the same side of the board). You could combine them into a single cable if needed.
Dave > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:avr- > [EMAIL PROTECTED] On Behalf Of Joe Strout > Sent: Wednesday, July 09, 2008 5:50 PM > To: avr-chat@nongnu.org > Subject: [avr-chat] minimal target board with an ISP header? > > Our local robot club is tinkering with a club bot based on the > ATmega168. We want a decent solderless breadboard area for mucking > about with sensor & effector circuitry, but the bots are small, and > the 28-pin AVR chip plus another six rows for connecting the ISP > doesn't leave a lot of room for much else. > > So, we've kicked around the idea of moving the AVR chip off the > breadboard onto its own little board, ideally one that would bring its > pins out to a 2x14 female header that we could position next to the > breadboard, so as to run breadboard wires between them. > > But for this application we really need to minimize size and cost. > The ideal carrier board would provide the chip socket, 20 MHz > oscillator, female header, and a 6-pin ISP header, and that's about > it. Maybe voltage regulation could live there too, but I also > wouldn't mind keeping that separate. > > Just to show I've done some homework, I've found Evil Mad Scientist's > article on minimal target boards: > <http://www.evilmadscientist.com/article.php/avrtargetboards> > > which does a good job of showing how to make your own, but as this is > a kit we'd rather buy a board off the shelf. I found Lady Ada's > musings: > <http://www.ladyada.net/rant/2007/08/idea-solderless-breadboard- > arduino-clone/ > > > > though it's a little over-featured for our application. So's the BBB: > <http://moderndevice.com/> > > Now, the RBBB is more like it, but lacks the programming header, and > doesn't bring the pins all out to one side (which we would prefer so > that breadboard wires don't have to stretch over the chip): > <http://moderndevice.com/RBBB_revB.shtml> and > <http://wulfden.org/freeduino/freeduino.shtml > > > > Any recommendations of other minimal boards we should consider? > > Thanks, > - Joe > > > > _______________________________________________ > AVR-chat mailing list > AVR-chat@nongnu.org > http://lists.nongnu.org/mailman/listinfo/avr-chat _______________________________________________ AVR-chat mailing list AVR-chat@nongnu.org http://lists.nongnu.org/mailman/listinfo/avr-chat
