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Wed May 17 15:14:24 HKT 2017

fit in other mounting places as well.

As mentioned earlier I think a touch screen would make a nice addon, and
(A) seems to be better for mounting a large display directly to the
board. That should still make a nice & handy box.

I think (B) would become very clunky with a large display.

So I'm tending towards (A).


Am 19.05.2017 um 08:23 schrieb Mark Webb-Johnson:
> But, having seen it and held it, I'm now having second thoughts about the layout. As you can see from the attached pictures, the expansion slots are each about 60mm x 45mm. Putting two of those on the board makes it about 9.5cm x 9.5cm square. Height will be similar (a little bit taller) than the current OVMS v2. This is a first draft run only, just to confirm the components, but as you can see there is quite a lot of blank space and traces for the two expansion slots. That, and the sheer number of connectors we have, dominate the board. Let's call this arrangement (A).
> There was an alternative arrangement that I considered a while back. That would be to have just one expansion slot, but use stackable connectors (so multiple boards could be piggybacked on each other). In that arrangement, the expansion slot could be either vertical or horizontal, with a vertical arrangement being close in size to the existing OVMS v2 (but the height would need to be much taller to accommodate the piggybacked expansion boards). Let's call this arrangement (B).
> It doesn't change the wiring. Just the size and arrangement of components on the board, as well as the box housing this all. (A) ends up with a 1" wider+taller box of about the same thickness, while (B) ends up with a box about the same width and height, but significantly thicker. To me, it seems that (A) is more automotive, and (B) more hobbyist.
> What do people think?

Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26

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