nodes:
  - id: turtle
    custom:
      source: ./random_turtle.py
      inputs:
        direction: control/direction
      outputs:
        - turtle_pose

  - id: control
    custom:
      source: ./control_node.py
      inputs:
        turtle_pose: turtle/turtle_pose
        tick: dora/timer/millis/500
      outputs:
        - direction