The circuit diagram of this system represents the interconnection between the ESP32-CAM, OLED display, and rotary encoder.
Abstract: In a shopping mart, imagine ten people waiting in line. If the first five people have many items in their carts, the last person with only one or two items may wait a long time to pay. To ...
This project implements an RFID-based attendance system integrated with environmental monitoring, designed for classroom use. It uses an Arduino Uno to read RFID tags, monitor temperature and humidity ...
A comprehensive IoT-based attendance system using Arduino RFID readers, Node.js backend, and MySQL database for educational institutions. visual1/ ├── rfid_backend/ │ ├── arduino_rfid_code/ # Arduino ...
Abstract: Among the many potential applications of inexpensive radio frequency identification (RFID) technology are security, tracking assets, people monitoring, supply recognition, and access control ...
Libelium CEO Alicia Asín explains, “Over two years ago we observed how recipes and electronics hacks share much in common: there is always a list of ingredients or components and a set of instructions ...
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