Tag: MySQL

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

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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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DHT22 Real-Time Data to MySQL: Build an IoT Dashboard with ESP32 & REST API for Temp and Humidity

yarana_iotLeave a Comment on DHT22 Real-Time Data to MySQL: Build an IoT Dashboard with ESP32 & REST API for Temp and Humidity

Build Your Own IoT Weather Station with ESP32 and DHT22 Welcome to another exciting project from Yarana IoT Guru! 🌡️ In this tutorial, we’ll guide you through building a DIY IoT weather station using an ESP32 microcontroller and a DHT22 sensor. This project collects temperature and humidity data, stores it in a MySQL database via […]

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