Compile the demos and run ros2 launch ros2_control_demo_example_1 test_forward_position_controller.launch.py
[publisher_forward_position_controller-1] /opt/ros/rolling/lib/python3.12/site-packages/rclpy/node.py:481: UserWarning: when declaring parameter named 'pos3', declaring a parameter only providing its name is deprecated. You have to either:
[publisher_forward_position_controller-1] - Pass a name and a default value different to "PARAMETER NOT SET" (and optionally a descriptor).
[publisher_forward_position_controller-1] - Pass a name and a parameter type.
[publisher_forward_position_controller-1] - Pass a name and a descriptor with `dynamic_typing=True
Compile the demos and run
ros2 launch ros2_control_demo_example_1 test_forward_position_controller.launch.py