RaspbPi HOWTO

[Hal Murray]

cbwierda at gmail.com said:
> The GPS Hat should just work.  The GPS Hat will also provide an RTC for both
> the ODroid and the RPi. 

Is there really a RTC on a GPS HAT?  Which one?

The battery is to keep the RTC equivalent inside the GPS chip going.  It's 
the difference between cold start and warm start.  That clock is not normally 
available to the outside world.


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