The final post in the Frustromantic Box series deals with the software side of things.
I’ll just let the code speak for itself, mostly. I just want to say “thanks” to all the Arduino developers for the great libraries, and to Mikal Hart in particular for his work on the TinyGPS and NewSoftSerial libraries.
I’ve moved the code to github. Follow the instructions there to grab a copy of the code plus its dependencies.