   float tempC;
   float rhT;
 
+  // increase tracking sequence number
+  seq_no++;
+
   // DHT11 humidity reading
   rhT = dht.readHumidity();
   

  qmoteCmd = "ATBN=0x0A,\"";        // using click combination code 0x0A
  qmoteCmd += "field2=";
  qmoteCmd += rhT;
  qmoteCmd += "\"\r\n";

  // output to Maker's module

  qmoteCmd = "ATBN=0x09,\"";        // using click combination code 0x09
  qmoteCmd += "field1=";
  qmoteCmd += tempC;
  qmoteCmd += "&seq=";
  qmoteCmd += seq_no;
  qmoteCmd += "\"\r\n";

  // output to Maker's module
