Smart Home Automation System Using IoT

This project aims to design and implement a smart home automation system using IoT (Internet of Things).

BeginnerWork in progress3 hours174

Things used in this project

Hardware components

SparkFun Breadboard Power Supply 5V/3.3V

ESP8266 / Raspberry Pi

Software apps and online services

Amazon Alexa Alexa Skills Kit

Story

Alex and the Smart Home Revolution

Alex had always been fascinated by technology. As an electrical engineering student, he dreamed of building something innovative—something that could make life easier. One evening, while struggling to turn off the lights from the comfort of his bed, an idea struck him: What if my home could do this on its own? He played game like the spike instead of focusing this but now he decided to explore this.

Determined, Alex began researching IoT and smart home automation. He gathered components—an ESP8266 microcontroller, motion sensors, and relays. Nights turned into weeks as he coded, tested, and refined his system.

One day, after a long class, Alex returned home exhausted. As he stepped inside, the lights turned on automatically. The fan adjusted to the perfect speed based on the room temperature. He smiled—his project was working!

The real test came when he left town for a weekend. Using his smartphone, he monitored his home’s energy usage, turned off unnecessary appliances, and even checked the security system remotely. His smart home wasn’t just convenient—it was efficient and safe.

Word of Alex’s project spread quickly. His professor encouraged him to present it at a tech expo. The audience was amazed at how a simple idea had turned into a practical, real-world solution. Companies approached him with collaboration offers, and he realized this was just the beginning.

His smart home project had started as a personal experiment, but now, it had the potential to change how people lived.

And it all began with a single thought: What if my home could think for itself?

related to this

#define BLYNK_PRINT Serial
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>

// WiFi credentials
char ssid[] = "Your_WiFi_Name";
char pass[] = "Your_WiFi_Password";

// Blynk authentication token
char auth[] = "Your_Blynk_Auth_Token";

// Define pins for relays (for appliances control)
#define LIGHT_PIN D1
#define FAN_PIN D2

// Virtual pins for Blynk
#define BLYNK_LIGHT V1
#define BLYNK_FAN V2

void setup() {
    Serial.begin(115200);
    Blynk.begin(auth, ssid, pass);
    pinMode(LIGHT_PIN, OUTPUT);
    pinMode(FAN_PIN, OUTPUT);
    digitalWrite(LIGHT_PIN, LOW);
    digitalWrite(FAN_PIN, LOW);
}

// Blynk function to control light
BLYNK_WRITE(BLYNK_LIGHT) {
    int lightState = param.asInt(); // Get value from app (0 or 1)
    digitalWrite(LIGHT_PIN, lightState);
}

// Blynk function to control fan
BLYNK_WRITE(BLYNK_FAN) {
    int fanState = param.asInt(); // Get value from app (0 or 1)
    digitalWrite(FAN_PIN, fanState);
}

void loop() {
    Blynk.run();
}