https://blackcitadelrpg.com/dnd-5e-traps-puzzles/
Traps, Puzzles, and Golden Idols - an Introduction to the “Fourth Pillar of D&D”
Jan 22, 2023 - Our guide to Traps and Puzzles in DnD 5e, including how they work, how to make them more interesting, and more than 10 examples to use in your own game.