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How should I get started?
(beehaw.org)
For questions about component-level electronic circuits, tools and equipment.
1: Be nice.
2: Be on-topic (eg: Electronic, not electrical).
3: No commercial stuff, buying, selling or valuations.
4: Be safe.
That's a really tough and broad question to ask. I would start with something you're interested in and dive down the rabbit hole from there.
If you narrow it down some then you'll probably get more useful tips/links for what you're looking for.
edit: formatting