Recommended · for some experience
Examples of BAD Ground in PCB Layout And How to Fix It
Why people recommend it
Robert Feranec's video is pointed to for explaining why PCB signals need a return path and why careless grounding causes trouble, with specific timestamps worth jumping to.
Watch for: Long video; suits board designers who want the reasoning behind layout rules
In their words
Robert Feranec has many videos on common grounding mistakes and this section of this video may be particularly relevant to you.
Donatas Mockus on electronics.stackexchange.com, Jan 2025. CC BY-SA.