(self)
Initialize and resource required to run the backend, e.g. background
        threads, USB device connections, etc.
Initialize and resource required to run the backend, e.g. background
        threads, USB device connections, etc.
Initialize and resource required to run the backend e . g . background threads USB device connections etc .
def start(self):
        """Initialize and resource required to run the backend, e.g. background
        threads, USB device connections, etc.
        """
        raise NotImplementedError()
def start ( self ) : raise NotImplementedError ( )