There is quite a lot of information and examples of ROS1 nodes currently available for you to tinker with and adapt to your hobby project. If ROS1 meets your project’s criteria and you want to get it built quickly, I’d stick with ROS1. If you want to tinker around and discover the improvements ROS2 offers while getting your project up, I’d recommend ROS2. For context, I work with ROS1 professionally and have a side project I have been adapting to ROS2 since Dashing.
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