ROS Command Example

The Follow Along Examples:

Follow along: ROS Command Example

The program launching process along with parameter settings are all simplified and set up on the Jupyter Notebook Environment.
  • Open the 01_ros.ipynb Jupyter Notebook
  • Import the necessary python libraries and modules
  • Follow and Execute the example codes
(The Jetson Board used for these examples are => Jetson Nano)

Open the following jupyter notebook:

  • 01_ros.ipynbipynb

  • To run the cells within the notebook use Ctrl + Enter

  • Run the first cell to output a list of currently running ROS Nodes

$ !rosnode list
  • Outputs joy_node Print Node information

$ !rosnode info /joy_node
  • Prints a list of currently running ROS topics

$ !rostopic list
  • Output information of imu Topic

$ !rostopic info /imu
  • Print imu Topic Message

$ !rostopic echo /imu
  • Check process list using pm2

$ pm2 list
  • Output information of zetasound Node

$ !rosnode info /zetasound