a

launch/rplidar.launch.py

@@ -11,7 +11,7 @@ def generate_launch_description():
             executable='rplidar_composition',
             output='screen',
             parameters=[{
-                'serial_port': '/dev/ttyUSB0',
+                'serial_port': '/dev/serial/by-path/platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2:1.0-port0',
                 'frame_id': 'laser_link',
                 'angle_compensate': True,
                 'scan_mode': 'Standard'