gyro.launch
<launch>
<group ns="$(arg ev3_hostname)">
<!-- Load joint controller configurations from YAML file to parameter server -->
<rosparam file="$(find h4r_ev3_control_launch)/config/gyro.yaml" command="load"/>
<!-- load the controllers -->
<node name="ev3_sensor_spawner" pkg="controller_manager" type="spawner" respawn="false"
output="screen" args="Ev3Gyro"/>
</group>
</launch>