Lately, there are many who take a balloon or a drone and fly it to do interesting things such as taking weather data or providing coverage or internet access in bad areas.
This is being done thanks to free hardware and currently anyone can do something similar without having Google behind to pay for everything. One of the necessary tools for any of these projects is Pi in th Sky, an expansion board for Raspberry Pi that will help the Raspberry Pi to position itself and send information related to it.
In essence Pi in The Sky is a geolocator that collects altitudes above 50 km. Pi in the Sky has its own autonomy, so we will not need the power of Raspberry Pi, various sensors such as temperature, GPS, accelerometer, etc ... that helps us collect geoposition information and supports the possibility of using the camera Raspberry Pi official.
Pi in The Sky will help us create balloons with Raspberri Pi 2
As you can see, the end of Pi in the Sky is one, to complement Raspberry Pi so that it can work in space or in airspaces. At the moment these functions are covered very well since the tests carried out not only show a good operation but also offer interesting possibilities such as the creation of a personalized network with balloons with these boards or even the possibility of sending a Raspberry Pi into space, although the latter is very, very in doubt.
I personally think it is interesting, although it is possibly one of those extensions that could well be incorporated into the Raspberry Pi itself, just like Arduino does. It would create models like Raspberry Pi A, Raspberry Pi 2 B, Raspberry Pi in the sky, etc…. At least that way I would see it more interesting since we would save weight and battery, two points to cover well in airspace.Do not you think?