I think logging to an SD card will be much easier.
WIFI is going to be difficult for such a large area, and it will use more power.
How are you going to monitor temperature? on the surface of the sheep? Direct unlight could be a problem.
I think logging to an SD card will be much easier.
WIFI is going to be difficult for such a large area, and it will use more power.
How are you going to monitor temperature? on the surface of the sheep? Direct unlight could be a problem.