Oct 7, 2025 · 4 min read · I’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...
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Jul 17, 2025 · 4 min read · 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...
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Jul 2, 2025 · 5 min read · 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...
SMohini commentedDec 25, 2024 · 2 min read · Understanding the ESP-NOW Protocol What is ESP-NOW? ESP-NOW is a wireless protocol developed by Espressif for low-power, low-latency communication devices based on the ESP32/ESP8266. It supports peer-to-peer communication and is ideal for IoT appl...
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Apr 21, 2024 · 5 min read · Recently while working on a project utilizing Arduino and DHT11 sensor I faced a set of challenges which led me to dive deeper into the world of communication protocols, particularly SPI, I2C, and CAN bus modules. Despite the initial simplicity of th...
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Feb 7, 2023 · 3 min read · Recently, I had to work on a project that involved the integration of Firebase with NodeMCU alongside using ESP32-CAM for facial detection and recognition. While trying to accomplish my aim, I encountered some challenges. This article describes those...
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