title: QT Serial send a Byte
body: <p>Is there a way to send a byte to serial with QT.
  I only found a function for sending chars.</p>
  
  <pre><code>serialport-&gt;write(const QByteArray &amp;data)
  </code></pre>
  
  <p>I want to send a array with these three bytes in Hex: 0xF0 0x02 0x0D</p>