Tag: RFID

Smart Attendance System Using 4G LTE Module | HTTP Request to Cloud | No WiFi Required

Smart Attendance System Using 4G LTE Module | HTTP Request to Cloud | No WiFi Required

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Welcome to another exciting IoT project by Yarana IoT Guru — the Smart Attendance System using ESP32 and 4G LTE Module!This project demonstrates how we can build a powerful attendance tracking system that works completely without WiFi by using a 4G LTE module to send HTTP requests to a cloud server. In most IoT projects, […]

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How to Build a Secure College Attendance System with RFID, Relays & Real-Time User Control Dashboard

How to Build a Secure College Attendance System with RFID, Relays & Real-Time User Control Dashboard

yarana_iotLeave a Comment on How to Build a Secure College Attendance System with RFID, Relays & Real-Time User Control Dashboard

In this tutorial you’ll build a secure college attendance system using an ESP32, RC522 RFID module, and MySQL (PHP REST API). Students present their RFID card/tag to the reader, ESP32 sends the RFID UID to your server via a secure API, and the server logs attendance with student details. This system includes mapping tags to […]

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