[Ovmsdev] Kona electric and http routing

Mark Webb-Johnson mark at webb-johnson.net
Wed Oct 23 14:33:41 HKT 2019

The connection between the SIMCOM and the ESP32 is 115,200 baud. That could be increased (in software), and there is software flow control on the GSM MUX we use (although I have no idea if SIMCOM implements it); but without hardware flow control lines I don’t think it could/would approach 3G speeds.

The alternative is to swap it around. Put the modem and the SIM in some other device designed for that purpose, and have OVMS connect to that as a WiFi client.

Regards, Mark.

> On 23 Oct 2019, at 2:23 PM, Peter Lord <plord12 at gmail.com> wrote:
> Hi All,
> I've been lurking here for a while still debating wether to ditch my autopi in favour of OVMS.
> One thing thats held me back is to find a way to use the wifi hotspot as a NAT router - this is 
> useful to allow my sat nav to get traffic and charging point updates.  As far as I can see on 
> the web page this isn't currently supported.
> However I did see a couple of projects that adds NAT support to lwip :
> 	https://github.com/martin-ger/lwip_nat_arduino
> 	https://github.com/jonask1337/esp-lwip
> Does anyone know if adding NAT has a fighting chance ?
> Cheers,
> Pete
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