neo6m.hashnode.devBuilding a Real-Time GPS Dashboard with ESP8266, NEO-6M, and FastAPII’ve always been fascinated by how easily we can share our live location — whether it’s tracking a delivery, following a friend’s ride, or even our own movement on a map. That curiosity led me to explore the NEO-6M GPS module, a small yet powerful de...Oct 7, 2025·4 min read
rfid-tag.hashnode.devPart 3 of my RFID system has got some cool featuresHello,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 ...Aug 4, 2025·5 min read
rfid-tag.hashnode.devThe Admin Powers to My RFID + FastAPI System is Here! (Part 2)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...Jul 17, 2025·4 min read
rfid-tag.hashnode.devHow I Built an RFID Access Thing Using NodeMCU and FastAPISo 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...Jul 2, 2025·5 min read
