Here, Arduino handles data processing activities to decide whether the RFID card is valid or not. If the card gets recognized, the Arduino sends a signal to the relay to unlock the solenoid door lock ...

This repository contains the Arduino code for a smart irrigation system using Arduino, moisture sensors, water level, a SIM800L module for SMS notifications, and relay modules for controlling valves ...

This project demonstrates how to create an anti-sleep alarm system for drivers using an Arduino Nano and a Relay Module. The system detects signs of drowsiness or fatigue in the driver and triggers an ...

This comprehensive Arduino RFID tutorial teaches you how to interface RFID (Radio Frequency Identification) technology with Arduino microcontrollers using the popular RC522 RFID module.Arduino RFID ...