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Smart Home Automation System using ESP32 & Relay Module

4 hrs build time 4 components · ₹1,114 parts 200 in stock

This project demonstrates how to build an Internet of Things (IoT) based Smart Home Automation switch board using an ESP32 micro-controller board and a multi-channel relay module. Users can toggle lights, fans, and appliances wirelessly over Wi-Fi. The project covers safe relay wiring, GPIO configuration, basic HTTP web server hosting on ESP32, and smartphone app integration using Blynk or Arduino IoT Cloud. Ideal for electronics hobbyists and students starting out with modern microcontrollers.

Components Included

4 items

4-Channel 5V Relay Module

₹199

In stock (10)

ESP32 NodeMCU 30 Pin WiFi + Bluetooth Board

₹521

Out of stock

Hi-Link HLK-2M05 5V 0.4A Switch Power Supply Module

₹255

In stock (10)

Jumper Wire Set - M2M, M2F, F2F (40 pcs each)

₹139

In stock (10)

Key Features

Real-time Wi-Fi device switching via Smartphone App

Manual override physical buttons/switches attached to GPIO

Status monitoring on web dashboard

Safe optocoupler-isolated relay protection

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₹5,000

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up to 80%

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