Fixed it so it only pulls the ip once

code/arduino/Movement-sensor-code/Connectivity.cpp

@@ -21,9 +21,9 @@ void Connectivity::connectWiFi(char* ssid, char* pass){
 // }
 
 const char* getServerURL = "http://145.92.8.132:443/get-ip";
-String ipAddress = "";
+char* ipAddress = "";
 
-String Connectivity::fetchIPAddress() {
+const char* Connectivity::fetchIPAddress() {
   if (WiFi.status() == WL_CONNECTED) {
     HTTPClient http;
     WiFiClient client;
@@ -32,7 +32,7 @@ String Connectivity::fetchIPAddress() {
     int httpCode = http.GET();
     if (httpCode > 0) {
       if (httpCode == HTTP_CODE_OK) {
-        ipAddress = http.getString();
+        ipAddress = strdup(http.getString().c_str());
       }
     } else {
       Serial.printf("GET request failed, error: %s\n", http.errorToString(httpCode).c_str());