   Serial.print(",");
   Serial.print(settings.apikey);
   Serial.print("\n");  
-  return buffer;
+
 }
 
 float scaleVoltage(float VRaw) {

#include <avr/eeprom.h>

// comment/uncomment to disable/enable debug
#define DEBUG

#define RELAY_PIN 3
#define STRING_BUFFER_SIZE 300

    client.print("User-Agent: ");
    client.println(MAGIC);    
    client.print("Content-Length: ");
    client.println(strlen(json));
    client.print("Content-Type: application/json\n");
    client.print("\n");
    // here's the actual content of the PUT request:
