## Intelligent Home Automation with WSN & IoT

A modern smart home solution that leverages wireless sensor networks and IoT technologies to deliver seamless automation, enhanced security, and energy efficiency for contemporary living spaces.

View Report
SmartHome Hub Dashboard
Temperature: 24°C
Humidity: 45%
Gas: Safe
Lights: Off
Doors: Locked
Energy: 1.2kW

## Project Overview

### Project Vision

To create a flexible, scalable home automation system that overcomes the limitations of traditional wired systems through wireless sensor networks and IoT integration.

### Problem Statement

Conventional systems are constrained by wired infrastructure and lack IoT integration, resulting in fragmented functionality and poor user experience.

### Objectives

Design a system with real-time monitoring, remote control, improved security, and energy efficiency using WSNs and IoT technologies.

## System Features

### Real-Time Monitoring

Continuous tracking of environmental parameters like temperature, humidity, and gas levels with live data visualization.

### Remote Control

Manage all connected devices from anywhere using a responsive web interface or mobile application.

### Smart Automation

Automated responses triggered by sensor data, like turning on lights when motion is detected.

### Energy Efficiency

Optimized control algorithms reduce energy consumption by 20-30% compared to traditional systems.

### Enhanced Security

Instant alerts for potential threats like gas leaks or unauthorized access through integrated sensors.

### Scalable Design

Modular architecture allows for easy addition of new devices and sensors as needed.

## System Architecture

#### Sensor Layer

Utilizes various sensors (DHT11, gas sensor, PIR motion sensor) for real-time environmental data collection.

#### Communication Layer

Wi-Fi modules (ESP8266) enable seamless wireless data transmission between devices and the central hub.

#### Processing Layer

NodeMCU microcontroller processes sensor data and executes control algorithms to manage connected devices.

#### Automation Layer

Implements predefined rules and responses based on sensor inputs (e.g., turn on lights when motion detected).

#### User Interface Layer

Web and mobile interfaces (Blynk platform) for monitoring and controlling the system remotely.

## Implementation Details

### Technical Implementation

The system integrates multiple components working in harmony to deliver smart home automation:

- DHT11 sensor: Measures temperature and humidity with ±2°C accuracy
- MQ-5 Gas sensor: Detects LPG, natural gas, and other combustible gases
- PIR motion sensor: Detects human presence with 5m range
- NodeMCU 1.0V: ESP8266-based microcontroller with built-in Wi-Fi
- Blynk IoT platform: Cloud-based control and monitoring interface

### Technology Stack

Wireless Sensor Networks IoT Architecture ESP8266 NodeMCU Blynk Cloud Arduino IDE C++

## System Performance

### Response Time

2-4s

Average delay for remote commands execution

### Energy Savings

30%

Reduction in power consumption

### Device Integration

10+

Sensors and devices connected

### User Satisfaction

9/10

Rated for ease of use and convenience

## Project Information

This home automation project was developed by Vaishnavi Khandelwal under the guidance of Dr. Himanshu Rai Goyal at Graphic Era (Deemed to be University), Dehradun.

The system demonstrates practical implementation of wireless sensor networks and IoT technologies for smart home applications.