     Serial.read();
   }
   
-  sprintf(buffer2, "{\"sensorIdentifier\":\"%d\",\"data\":\"%s\"}",
+  sprintf(buffer2, "{\"sensorIdentifier\":\"%s\",\"data\":\"%s\"}",
                     id, data);
 
   Serial.print("POST message: ");

  delay(1000);
}

boolean send_http_post(char *url, int id, char *data) {
  uint16_t statuscode;
  uint16_t response_length;
  boolean post_success;

const byte MULT_B = 43;
const byte MULT_C = 40;


// Analog I/O pins
const byte LIGHT = A13; // Not currently used
