[Ovmsdev] OVMS v3.3 hardware

[Mark Webb-Johnson]

Sorry, Craig, I think I missed this eMail.

> Is my frankenstein v1.1 modem board with it's SIM7600A-H module close enough that I'll be able to help with this work?

Yes. I am told that all  the SIM7600 modules are the same apart from frequency coverage, so long as firmware version the same.

> > 3. Modem board v1.3: Fix support for DTR sleep/awake support.
> What would I need to do to make my v1.1 board have this? Are there any other v1.3 changes I would want?


Once we’ve resolved it on the new v3.3 board, we’ll publish the schematics and pcb layouts like before. But not yet ready and we are still working on it.

Regards, Mark.

> On 31 Aug 2021, at 4:33 AM, Craig Leres <leres at xse.com> wrote:
> 
> On 8/29/21 11:03 PM, Mark Webb-Johnson wrote:
>> I now have two prototypes of the 4G modem using SIM7600G R2 chip for OVMS v3.
> 
> (Nice!)
> 
>> One is for my own work, but willing to send the other free to a volunteer developer willing to spend time working with me to develop and test this new option. Obviously looking for someone who has spent some time on the OVMS code base, with a good history of contributions to the project and a willingness to work on improving the cellular modem driver.
>> Any volunteers? Please eMail me directly (mark at openvehicles.com <mailto:mark at openvehicles.com>).
> 
> Is my frankenstein v1.1 modem board with it's SIM7600A-H module close enough that I'll be able to help with this work?
> 
> > 3. Modem board v1.3: Fix support for DTR sleep/awake support.
> 
> What would I need to do to make my v1.1 board have this? Are there any other v1.3 changes I would want?
> 
> I looked a little but I didn't find a source of bare SIM7600G-HR2 modules here in the US, only various breakout/usb/mini-pcie versions.
> 
> 		Craig
>