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Posted by e c kern on November 28, 2006, 5:39 pm
For most prototyping I buy the large radio shack boards and cut them up
as needed. They don't have busses like the small boards but it's not
very hard to lay a continuous bead of solder along each of the two rows
of pins.
-chris.
> I have a board (ARMmite) that has an unhelpful arrangement of I/O pins:
> <http://www.coridiumcorp.com/ARMhelp/scr/HWmitePins.html>
> Most of my sensors and whatnot have (or can easily be made to have)
> three-wire, Futaba-style female connectors with power in the middle,
> ground on one side, and signal on the other side. This board has 24
> I/Os, so I'd like to make a bank of 24 sets of three pins, in that same
> Futaba arrangement.
> Unfortunately, the prototyping area on the board won't work for this,
> because of the way they've connected certain contacts together -- there
> isn't any area with three neighboring columns of unconnected contacts.
> So, I think I'm going to have to make a sort of connection dongle, where
> I solder wires to the ARMmite board, and then to my bank of male
> connectors on a separate board. That brings me to my question for you
> gurus:
> Can anyone recommend a small perf board that's well-suited
> to making such a bank of connectors? This one has an area in the
> middle that'll work:
> <http://www.radioshack.com/product/index.jsp?productId !02845&cp 32058
> ...but it would have an awful lot of wasted space, too. Any better
> boards for this? Or is there some specialized three-row connector I
> can use, without needing a board at all?
> Or is there some other way you would approach this problem (assuming you
> want access to all 24 I/O lines, and want to leave your options open
> about how you'll use them)?
>
> Thanks,
> - Joe
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