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Articles tagged with #rfid
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 ...
In Part 1, I built a simple RFID-based login/logout system using a NodeMCU and FastAPI.It worked, one can scan a card, and it logs the event in a database. Simple? Yes, It is. But I realized anyone could register an RFID UID just by hitting the righ...
So a while back I got curious about how those RFID office entry systems work.Like, you scan a card and it logs you in or opens a door or something. I had a NodeMCU (ESP8266) lying around, an RC522 RFID module, and some free time, so I just started me...