You could try with my library before ordering NGT-1. If you just load my library, stuff for avr and try with example ActisenseListener, you should be able to see all traffic on bus with Actisense NMEA Reader.
You could try with my library before ordering NGT-1. If you just load my library, stuff for avr and try with example ActisenseListener, you should be able to see all traffic on bus with Actisense NMEA Reader.