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Just for your attention - you can try to use rosbag2 to record this kind of things. No need to reinvent the wheel (but if you want, go on! it's a nice way to learn, of course :) )

https://docs.ros.org/en/galactic/Tutorials/Ros2bag/Recording-A-Bag-From-Your-Own-Node-Python.html

Just for your attention - you can try to use rosbag2 to record this kind of things. No need to reinvent the wheel (but if you want, go on! it's a nice way to learn, of course :) )

https://docs.ros.org/en/galactic/Tutorials/Ros2bag/Recording-A-Bag-From-Your-Own-Node-Python.htmlhttps://docs.ros.org/en/foxy/Tutorials/Ros2bag/Recording-A-Bag-From-Your-Own-Node.html

Just for your attention - you can try to use rosbag2 to record this kind of things. No need to reinvent the wheel (but if you want, go on! it's a nice way to learn, of course :) )

Just for your attention - you can try to use rosbag2 to record this kind of things. No need to reinvent the wheel (but if you want, go on! it's a nice way to learn, of course :) )

• 1) https://docs.ros.org/en/foxy/Tutorials/Ros2bag/Recording-And-Playing-Back-Data.html
• 2) https://docs.ros.org/en/foxy/Tutorials/Ros2bag/Recording-A-Bag-From-Your-Own-Node.html