4;">// if new text data is received</span>
      <b><span style="color: #d35400;">Serial</span></b><span style="color: #434f54;">.</span><span style="color: #d35400;">printf</span><span style="color: #000000;">(</span><span style="color: #005c5f;">"[%u] get Text: %s\n"</span><span style="color: #434f54;">,</span> <span style="color: #000000;">num</span><span style="color: #434f54;">,</span> <span style="color: #000000;">payload</span><span style="color: #000000;">)</span><span style="color: #000000;">;</spa