 
     Serial.begin(57600);
     Serial.println("***");
-    Serial.println("*** 150725 YunHub 1.05");
+    Serial.println("*** 150726 YunHub 1.05");
     Serial.println("***");
 
     // initialize digital pin 13 as an output.

} TNodeData;


// Temperature node data structure. Timestamp created locally, at time of receival.
struct
{
    String timeStamp;   // "+%Y-%m-%d %T": format "YYYY-MM-DD hh:mm:ss"

                      + String(TNodeData.T2);

            // publish interpreted TNode data to MQTT server
            dataStr.toCharArray(message_buff, 128);
            client.publish("TNode", message_buff);
        }

