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You’ll likely have seen the abbreviation “NFC” when browsing smartphone, wearable, and app features — but what exactly does it mean? Most smartphones have Near Field Communication, or NFC, technology ...

This project implements a wireless RFID attendance system for school events using an ESP32 and RC522 RFID module. Scans are sent via HTTP to a FastAPI backend server running on AWS EC2 that manages ...

Biking can be an incredibly rewarding hobby, but what do you do with all of your expensive pieces of metal and composite when you aren’t hitting the trails? They take up space that you could use for ...

This paper presents a comparative analysis of a novel tri-ESP32-based smart sliding gate system with existing published systems that employ RFID, GSM, and single-node microcontroller-based approaches.

Abstract: This paper presents a novel approach to home automation utilizing the MQTT protocol. The system is implemented using an ESP32 node and a Node-RED server running on a Raspberry Pi, allowing ...