title: How can I use serial communication (port) via Android Bluetooth to send data?
body: <p>How can I use serial communication (port) via Bluetooth to send data?</p>
  
  <p>I need to send serial data through an Android device to a Bluetooth model (BlueSMiRF Silver) (that is connected to an Arduino board).</p>
  
  <p>I was literally sitting for three day trying to understand how to do that...</p>