Cool, thanks. 

I like to use DIO3/ValidHeader to (subtract a constant value to) get an accurate timestamp of when a packet is received.  I would need a flywire.

!!Dean

On Jan 12, 2020, at 12:28 AM, Morgan Allen <morganrallen@gmail.com> wrote:

https://github.com/Xinyuan-LilyGO/TTGO-T-Beam/blob/master/schematic/T_BeamV1.0.pdf

Looks like PPS is connected as TIME_PULSE. LilyGO has gotten better about hooking up the DIO pins lately and this one even has DI0-2

On Sat, Jan 11, 2020, 9:39 PM Dean H (KC4KSU) <dean.kc4ksu@gmail.com> wrote:

Is there any schematic for the pcb?  It would be helpful to know if/how they connected the GPS’s PPS signal, the SPI’s CS and the LoRa’s DIOx pins to the microcontroller.

!!Dean

> On Jan 3, 2020, at 5:09 AM, samuk@disroot.org wrote:
>
> Hi all
>
> I spotted these boards yesterday: https://www.aliexpress.com/item/4000469332610.html They have onboard GPS.
>
> It looks like Grant will try to support them: https://github.com/sudomesh/disaster-radio/issues/33
>
> So if you are thinking of buying some test hardware and have some technical skill they might be a good choice.
>
> I think it would add a lot to the usefulness of the devices.
>
> I guess it would be good to have a coarse or precise setting. If I'm just driving around day to day I may not want to be tracked, If I'm about to go and fight a bushfire I'd probably be happy for people to know exactly where I am.
>
> Are you planning to incorporate a GPS into the custom boards that are under development?
>
> Thanks
>
> Sam
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