Simple project which logs data from GPS module (NEO 6M) into a web service using data HTTP GET requests through SIM800L module. Location is sent for each interval given as configuration variable 'frequency'.
Connecting modules: Pin3 -> GPS-module-RX Pin4 -> GPS-module-TX Pin5 -> SIM-module-TX Pin6 -> SIM-module-RX
Dependency(TinyGPS++ library): http://arduiniana.org/libraries/tinygpsplus/