title: Failed to connect to socket /opt/local/var/run/dbus/system_bus_socket: No such file or directory
body: <p>I was trying to send message to the microbit using Bluezero I am using macOS, but got and error.</p>
  
  <p>Sample code.</p>
  
  <pre><code>from bluezero import microbit
  ubit = microbit.Microbit(adapter_addr='x',
                           device_addr='x',
                           accelerometer_service=True,
                           button_service=True,
                           magnetometer_service=False,
                           pin_service=False,
                           temperature_service=True)
  
  my_text = 'Hello, world'
  ubit.connect()
  
  while my_text is not '':
      ubit.text = my_text
      my_text = input('Enter message: ')
  
  ubit.disconnect()
  </code></pre>
  
  <p>Error
  </p>
  
  <blockquote>
    <p>dbus.exceptions.DBusException:
    org.freedesktop.DBus.Error.FileNotFound: Failed to connect to socket
    /opt/local/var/run/dbus/system_bus_socket: No such file or directory</p>
  </blockquote>