ROS2 - Lifecycle Node Tutorial

Published: 06 February 2024
on channel: Robotics Back-End

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Learn how Lifecycle Nodes work in ROS2 with a real life example. Write your own Python Lifecycle Node and trigger the callbacks from the command line.
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⏱️ Chapters
(00:00) Intro
(00:41) What are Lifecycle Nodes?
(06:28) Code setup and steps we will take
(08:05) Transform the Node into a Lifecycle Node
(09:11) Implement the lifecycle callbacks (minimal code)
(15:10) Add a Publisher and Timer in a Lifecycle Node
(22:27) Test the Node with the ros2 lifecycle cmd line
(28:25) Recap - when and how to use Lifecycle Nodes

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