SMART WASHING MACHINEBOOKING AND ACCESSCONTROL SYSTEM | SECE | CSE |

SMART WASHING MACHINE BOOKING AND ACCESS CONTROL SYSTEM This project is an IoT-based automation system designed to manage washing machine usage in hostels and shared accommodations. It combines RFID authentication, real-time slot booking, and hardware control to prevent unauthorized access and eliminate slot conflicts. Workflow of the System: A user books a washing slot through the web application. At the scheduled time, the user scans the RFID card on the machine. The RFID reader captures the card’s unique hexadecimal ID and sends it to the ESP32. The ESP32 transmits the ID and machine details to the backend server via WiFi. The backend verifies: Whether the user is registered Whether the slot is active If validation is successful, the server returns an access granted response. The ESP32 activates the relay module, which turns ON the washing machine. The LCD displays access status and remaining time. After the allocated duration ends, the relay automatically turns OFF and the slot is closed in the database. If the RFID does not match or the slot is inactive, access is denied and the machine remains OFF. Tech Stack Used: Frontend: React.js Backend: Express.js (Node.js) Database: MongoDB Communication: HTTP requests over WiFi between ESP32 and backend server Hardware Components Used: ESP32 WiFi Microcontroller EM18 RFID Reader Relay Module 16x2 I2C LCD Display Buzzer Washing Machine Motor Control Circuit The system ensures secure access control, automated slot management, and efficient utilization of shared washing machines through integration of IoT hardware and full-stack web technologies. Done By: Harshad R Manoj V Jayasuriya S Kathiravan SP Kanish MR Nivetha N Mukesh Krishna R