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ESP32

ESP32BeginnerIntermediateesp32wifiweb-server

ESP32 WiFi Web Server

Create a web server using ESP32 that allows users to control an LED from any browser over Wi-Fi.

₹3698.00

Inclusive of all taxes

Development fee₹1179.00

Components (from library)₹2519.00

Total per unit (incl. GST)₹3698.00

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Quantity:

Total: ₹3698.00

₹3698.00

Inclusive of all taxes

Components

7 items

Difficulty

Intermediate

Build Time

45 minutes – 1.5 hours

Project Details

The ESP32 WiFi Web Server project demonstrates how to host a web page directly on the ESP32 microcontroller and control hardware using a web browser. In this project, the ESP32 connects to a Wi-Fi network and starts an HTTP web server. When a user accesses the ESP32's IP address from a browser, a simple web interface appears with buttons to turn an LED ON or OFF. This project introduces Wi-Fi connectivity using ESP32, HTTP web server concepts, remote device control via browser, and foundation for smart home and IoT systems. This concept is widely used in home automation, industrial monitoring, and smart device control.

How It Works

The ESP32 connects to a Wi-Fi network using the WiFi library and starts an HTTP server on port 80. When a client (web browser) connects to the ESP32's IP address, the server reads the HTTP request. If the request contains '/LED=ON', it sets GPIO 2 HIGH to turn the LED on. If it contains '/LED=OFF', it sets GPIO 2 LOW to turn the LED off. The server then sends back an HTML page with buttons for ON/OFF control. This creates a simple web interface that allows remote control of the LED from any browser on the same network.

Prerequisites

Basic knowledge of ESP32 and Arduino IDE, understanding of digital I/O pins, and completion of a basic ESP32 LED Blink project. Familiarity with Wi-Fi concepts is helpful but not required.

What You'll Learn

Wi-Fi Connectivity

Learn how to connect ESP32 to a Wi-Fi network

HTTP Web Server

Create a basic HTTP web server on ESP32

Browser-Based Control

Control hardware devices remotely via web browser

IP Addressing

Understand ESP32 IP addressing in local network

IoT Fundamentals

Learn basic IoT communication principles

Key Features

✓

Wireless LED Control

Control LED ON/OFF from any device on the same Wi-Fi network

✓

Web-Based UI

Simple HTML interface with buttons for control

✓

No External Server

All server functionality runs on ESP32 itself

✓

Cross-Platform

Works on mobile phones, tablets, and computers

✓

Expandable

Can be extended to control multiple devices or sensors

What's Included in the Kit

Component	Part ID	Qty	Price	Description
ESP32 Development Board	-	1	₹1682.00	-
LED	-	1	₹400.00	-
Resistor (220Ω – 330Ω)	-	1	₹0.00	-
Breadboard	-	1	₹77.00	-
Jumper Wires	-	1	₹171.00	-
USB Cable	-	1	₹190.00	-
Wi-Fi Network	-	1	₹0.00	-

Pin Connections

MCU Pin	Connected To	Purpose	Notes
GPIO 2	LED Anode (+)	Digital output to control LED state	Internal LED on many ESP32 boards
GND	LED Cathode (–) via resistor	Ground connection for LED circuit	Resistor limits current to protect LED

Tools Required

Laptop / PC

USB Cable

Breadboard

Jumper Wires

Smartphone / Computer Browser

Safety Precautions

Electrical

⚠Use resistor to protect LED from excessive current
⚠Do not short GPIO pins directly to power or ground

Handling

⚠Avoid exposing ESP32 to moisture or liquids

Security

⚠Keep Wi-Fi credentials secure and do not share publicly

Frequently Asked Questions

Q:Can I control more than one device?

A: Yes, add more GPIO pins and corresponding buttons in the web interface code.

Q:Can I access ESP32 from mobile?

A: Yes, any device on the same Wi-Fi network can access the web interface using the ESP32's IP address.

Q:Do I need internet access?

A: No, only a local Wi-Fi network is required. The ESP32 creates its own web server.

Q:Is this suitable for beginners?

A: Yes, it's ideal after completing basic ESP32 projects like LED Blink. Intermediate level recommended.

#esp32#wifi#web-server#iot#home-automation#embedded-systems

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