[time-nuts] Flash!!! FA2 works on Arduino Tablets !!!

[Patrick Murphy]

I have no way to test this, but I wonder if one can charge the tablet
wirelessly while the USB port is in use. Assuming the tablet is capable of
wireless charging in the first place.

-Pat (KG5YPQ)

On Sun, Oct 20, 2019 at 11:01 PM Didier Juges <shalimr9 at gmail.com> wrote:

> The interface from the FA2 is USB, so there is no need (and no way) to go
> through a DB9. I recommend using an adapter to go from your tablet
> (typically micro-USB or USB-C) to a USB-A socket, then use a standard USB-A
> male to USB-B male cable going to the FA2.
>
> One issue: once the tablet is connected to the FA2, there will be no way to
> charge the tablet, so start with a fresh battery...
>
> The app keeps the screen activated as long as the battery is >50%. After
> that, Android will put the app to sleep and recording will stop and the
> data that is not saved will be lost. There are a number of ways to deal
> with that, I am waiting to see actual use cases to come up with the best
> way. The battery life limitation is clearly an issue.
>
> You can buy cables that have a charging port but they only power the target
> (the FA2 in this case), not the tablet. I believe that you cannot charge
> the battery when the USB port is used as a master because as a master it is
> intended to deliver power, not receive it.
>
> Didier KO4BB
>
> On Sun, Oct 20, 2019, 10:19 AM Jim Harman <j99harman at gmail.com> wrote:
>
> > Didier,
> >
> > This looks very useful. Is there a specific DB9 to USB-C cable that you
> > would recommend, or would you use a USB-A (female) to USB-C adapter with
> a
> > standatrd USB-A to DB9 cable?
> >
> >
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