gps tracker based on a MSP430F5510 uC with a gprs connection for reporting and command input.

 source:       https://github.com/rodan/tracy 
 author:       Petre Rodan <2b4eda@subdimension.ro>
 license:      GNU GPLv3

Features:
 - both hardware and software are opensource
 - an f-ram chip for input data buffering
 - resilient software architecture
 - all gps/gsm operations controlled by timer interrupts which allows control of both sub-systems in the same time
 - great flexibility given by configuration variables

 prototype pictures available here:  https://photos.app.goo.gl/5ZgdGM5Km6QHHfX5A
 documentation available here:       https://github.com/rodan/tracy/blob/master/doc/tracy_manual.pdf