Project Description:

The IoT Smart Slot Booking System is a web-enabled platform integrated with IoT devices that allows users to remotely view and book available slots for facilities such as parking spots, meeting rooms, charging stations, study rooms, or even public laundry machines. Using real-time sensor data, it shows current slot availability, prevents double booking, and provides efficient management of physical spaces.

This system helps avoid congestion, waiting lines, and resource conflicts—ideal for campuses, offices, malls, and smart cities.

Core Objective:

To automate the booking, monitoring, and management of physical slots using IoT sensors and a smart web interface.

Key Features:

1. IoT Sensor Integration:

   • Sensors detect slot occupancy in real-time (e.g., IR, Ultrasonic, RFID).

   • Microcontrollers (like Arduino/ESP32) send live data to the server.

2. Slot Booking Web Interface:

   • Users can view available slots in real time.

   • Book or cancel slots using a user-friendly dashboard.

3. Time-Slot Management:

   • Set duration for each booking.

   • Auto-release if slot remains unused for a grace period.

4. User Notifications:

   • Email/SMS/Popup notifications for booking confirmation, reminders, and expiration.

5. Admin Panel:

   • Monitor slot usage analytics.

   • Manage sensors, users, and manual overrides.

6. Live Availability Map:

   • Interactive visual representation of slots (green = available, red = occupied).

   • Real-time updates via WebSockets or AJAX polling.

Tech Stack:

 Backend:

• PHP / Java / Node.js

• RESTful APIs to receive sensor data and manage bookings

 Frontend:

• HTML, CSS, Bootstrap, JavaScript

• Real-time updates using AJAX or WebSockets

 IoT Hardware:

• ESP32 / Arduino UNO

• Sensors: Ultrasonic, IR, or RFID

• Wi-Fi or GSM module to send data

 Database:

• MySQL or MongoDB to store slot, user, and booking information