On Tue, Nov 24, 2009 at 4:48 PM, Chris MacDonald <chris@fourthandvine.com> wrote:
The overo COMs actually get power from their connection (the two
70-pin connectors) to the expansion board, they don't have a barrel of
their own.


On Tue, Nov 24, 2009 at 1:35 PM, Jake Peavy <djstunks@gmail.com> wrote:
> Hi all,
> I'm new around these here parts, but I had a quick (probably stupid)
> question.
> I'm looking into creating a device with the Tobi-Duo dual-ethernet expansion
> board.  My understanding is that in order to do anything with this I also
> need a COM module which mates with the expansion board via the two 70-pin
> connectors.
> My question is that both the COM module (say the plain ol' Overo Earth) and
> the Tobi-Duo have +5V barrel connectors.
> Does that mean I need two power supplies for my device?  Or is the expansion
> board powered by the COM module via the two connectors?

aha, I looked at the up close pics of the Overo Earth COM.  of course you're right, no barrel connector.

I guess that means you must use at least one expansion board?



Just as irrigation is the lifeblood of the Southwest, lifeblood is the soup of cannibals.