Serial GPS Unit
This serial GPS unit fits in a 60 x 30 x 22 mm red box. It includes the GPS, a backup battery and a 3,3V regulator.
The GPS comes from 4D Systems and is incredibly small with only 23.4 x 20.9 x 7.6 mm.
Nothing special for the software, thanks to the excellent TinyGPS library.
All the data is displayed on four lines:
Other NMEA sentences provide the list of the satellites and their position, as in the Touch Screen GPS example.
For more information about NMEA, please refer to the official reference.