Yay, it works!

iot/GPSTest/GPSTest.ino

@@ -2,8 +2,8 @@
 #include <SoftwareSerial.h>
 
 // NOTE: RX and TX must be swapped with respect to the pin definitions on the NE-6M itself.
-#define PIN_GPS_RX	4
-#define PIN_GPS_TX	3
+#define PIN_GPS_RX	5
+#define PIN_GPS_TX	4
 
 #define BAUD_PC 115200
 #define BAUD_GPS	9600

iot/main/gps.cpp

@@ -16,7 +16,7 @@ TinyGPSLocation gps_location() {
 	// We WILL discover our location - if it's the last thing we do!
 	while(true) {
 		if(millis() > 5000 && gps.charsProcessed() < 10) {
-			Serial.print(F("\n[error] Failed to initialise GPS device."));
+			Serial.println(F("\n[error] Failed to initialise GPS device."));
 			while(true) { delay(1); }
 		}
 		
@@ -31,7 +31,7 @@ TinyGPSLocation gps_location() {
 		
 		// If we haven't acquired a lock yet, go around again
 		// Also go around again if the location is the same hasn't yet been updated (GPS devices are strange)
-		if(!gps.location.isValid() || gps.location.isUpdated()) {
+		if(!gps.location.isValid()) {
 			Serial.print(".");
 			delay(100);
 			continue;

iot/main/main.ino

@@ -10,6 +10,7 @@
 
 void setup() {
 	Serial.begin(BAUD_PC);
+	Serial.println("[main] Beginning collection sequence.");
 	
 	random_begin();
 	
@@ -18,7 +19,7 @@ void setup() {
 	TinyGPSLocation loc = gps_location();
 	gps_end();
 	
-	Serial.print("[main] Location: ("); Serial.print(loc.lat()); Serial.print(", "); Serial.print(loc.lng()); Serial.println();
+	Serial.print("[main] Location: ("); Serial.print(loc.lat()); Serial.print(", "); Serial.print(loc.lng()); Serial.println(")");
 	
 	uint32_t id = random_get();
 	

iot/main/settings.h

@@ -16,11 +16,11 @@
 
 // The *TX* gin of the GPS device.
 // This is swapped because we receive the GPS device's message on our side on the RX pin, and the GPS device transmits messages on the TX.
-#define PIN_GPS_RX	4
+#define PIN_GPS_RX	5
 // The *RX* pin on the GPS device.
 // This is swapped because where the GPs device is receiving, we aresending and vice versa.
 // The TX / RX here are according to *our* side, not the GPS device's side.
-#define PIN_GPS_TX	3
+#define PIN_GPS_TX	4
 // The speed at which we should talk to the GPS device. Some GPS devices require a certain speed in order to use certain commands, so it's important that you check the datasheets for the device you're using.
 // 9600 is the correct speed for a NEO-6M.
 #define BAUD_GPS	9600