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Hello,If you’re new here, maybe look at Part 1 and Part 2 first, context matters. TL;DR — I built an RFID-based access system with NodeMCU + FastAPI. First it logged card taps. Then I added admin-only registration with JWT. And now? Now… I made it ...

It usually starts with a spark — a late-night idea, a problem you want to solve, or just the itch to build something no one asked for but you. You open your editor, you start typing, and before long, you're deep into a world you're designing alone. N...
