[Ovmsdev] v2 Basic Hardware

Michael Stegen michael at stegen.com
Thu Jul 5 05:04:41 HKT 2012


Looks very good!

If i'm not mistaken, Tesla used a similar extruded aluminium box for 
some electronics module next to the VMS.

-Michael



Op 3-7-2012 2:43, Mark Webb-Johnson schreef:
>
> I thought you might be interested in seeing some early pictures of the 
> prototypes for the vs basic hardware we've been working on with the 
> China team.
>
> Some notes:
>
>   * The design uses a metal rectangular "tube" style case, customised
>     for us and cut to the width of our board. The case ends up about
>     7cm x 6cm. Labelled end-plates will go on, with cut-outs for the
>     various connectors. The original design called for this to be
>     black in colour, and we're still deciding on that (as the silver
>     doesn't look bad and will be mostly covered with a black sticker
>     anyway). Opening it involves removing the 4 screws on one side and
>     sliding it out.
>
>   * On one side we have the CAN (and power) DB9, GSM and GPS antennas.
>     On the other side we have the DIAG DB9 and expansion bus connectors.
>
>   * Holes for the LEDs are on the bottom of the case, and the LEDs
>     themselves are on the bottom of the board, so that they are as
>     close to the holes as possible.
>
>   * There are zero internal cables, and only one circuit board
>     containing the PIC controller and SIM908 modem - connection to the
>     car is via the main CAN DB9, using custom cables. We have tried to
>     follow ODBII standard pinouts  for that connector.
>
>   * For Tesla Roadster, we can use a custom 4 wire connector (Tesla
>     DIAG port connector on one end, DB9 female on the other). For
>     ODBII cars, a similar arrangement can be made.
>
>   * The SIM908 modem chip supports GPS for those cars that don't have it.
>
>
> Still early days, but the design looks workable and should be much 
> easier to assemble and QC than the v1 modules. Rock solid and 
> (probably) bullet proof. It should also have good support for cars 
> other than the Tesla Roadster.
>
> Regards, Mark.
>
> P.S. I'm also working on a more advanced hardware solution, as a 
> personal project, that may end up being offered. Just experimenting at 
> the moment. William is also working on some solutions for this based 
> on *bone hardware and shields. These are much longer term, and 
> we'll send out more details when we have some progress.
>
>
>
>
>
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.teslaclub.hk
> http://lists.teslaclub.hk/mailman/listinfo/ovmsdev


-- 
Stegen Electronics
Kwartslaan 95
3162 RD Rhoon
The Netherlands

Tel: +31 10-5016960
www.stegen.com

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