[Ovmsdev] OVMS Hardware v2.0

Mark Webb-Johnson mark at webb-johnson.net
Mon Jun 11 09:16:07 HKT 2012


That board could do so much more than GSM SMS.

Power requirements are a little worrying, though. 3.2watts without modem. OVMS v1 uses about 0.48watts at idle, and 0.96watts worst case - but those are with the modem. Without the modem, probably 1/10th of that.

I actually prefer the TS-7552 (same site). A much nicer enclosure, and 4 external USB ports. Also, lower power (can be reduced to 1.7watts).

Interestingly, I don't see any option for 12v power via the DB9. I guess Scott modified it by internal patch cable.

Regards, Mark.

On 10 Jun, 2012, at 11:50 PM, Tom Saxton wrote:

> on 6/10/12 4:36 AM, Mark Webb-Johnson wrote:
>> By the way, does anyone know what the Tattler uses? Any pictures? I'm guessing
>> a development board with CAN, something like those boards on the olimex site.
> The Tattler uses this board:
> http://www.embeddedarm.com/products/board-detail.php?product=TS-7553
> Scott was using an SD card to store the OS and the Tattler program, but
> those cards were getting corrupted. Losing power can corrupt the file
> system, for example.
> After mine got completely wedged, Scott redid it to store everything in
> on-board flash. The OVMS board has been working so well I haven't been very
> motivated to swap back to the Tattler to try it out.
>    Tom
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.teslaclub.hk
> http://lists.teslaclub.hk/mailman/listinfo/ovmsdev

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