I'm a Joplin user but I've been slowly learning Obsidian too. Level1Techs [0] did a fantastic primer on Obsidian and gave a thoughtful reflection on the zettelkastan method [1]. Josh Duffney's youtube channel [2] on Obsidian is also worth the watch too.
[0] https://www.youtube.com/watch?v=H69tRdemJiM
[1] https://en.wikipedia.org/wiki/Zettelkasten
[2] https://www.youtube.com/channel/UCCV1T7JbfzbE2O7P3kydmKw/vid...