title: PySerial: How to send Ctrl-C command on the serial line
body: <p>I'm automating a configuration process for an embedded board.  To enter the setup screen I need to send "Ctrl-C" command.</p>
  
  <p>This is <strong>NOT</strong> to interrupt a process I'm running locally, <strong>KeyboardInterrupt</strong> will <strong>not work</strong>.  I need to send a value that will be interpreted by the bootloader as Ctrl-C.</p>
  
  <p>What is the value I need to send?</p>
  
  <p>Thank you</p>