ESP32 Wi-Fi Based LED Control Using Web Server banner

ESP32 Wi-Fi Based LED Control Using Web Server

Created by: bashyalbipin14
1 devlog
9h 10m 33s

Project Idea

The goal of this project was to control an external LED using Wi-Fi without any mobile app. Instead, the ESP32 hosts its own web server, and the LED can be turned ON or OFF from any browser connected to the same Wi-Fi network.

T…

Project Idea

The goal of this project was to control an external LED using Wi-Fi without any mobile app. Instead, the ESP32 hosts its own web server, and the LED can be turned ON or OFF from any browser connected to the same Wi-Fi network.

This project demonstrates the basics of:

IoT

ESP32 networking

Embedded web servers

Wireless device control

Demo Repository

README

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bashyalbipin14
bashyalbipin14 worked on ESP32 Wi-Fi Based LED Control Using Web Server
2 months ago
9h 10m logged

Development Timeline (Dev Log) Day 1 – Planning & Research

Decided to use ESP32 instead of Arduino because it has built-in Wi-Fi

Studied how ESP32 can act as a web server

Learned about:

1.WiFi.h

2.HTTP requests

3.WiFiServer and WiFiClient

Day 2 – Hardware Setup

1.Connected an external LED to the ESP32

Used:

1.GPIO pin 4

2.Current-limiting resistor

3.Verified LED works using a simple digitalWrite() test sketch

Day 3 – Wi-Fi Connection

1.Wrote code to connect ESP32 to a Wi-Fi network

2.Printed IP address on Serial Monitor

3.Confirmed ESP32 connects successfully

Challenges faced:

1.Incorrect Wi-Fi password caused connection failure

2.Fixed by double-checking SSID and password

Day 4 – Web Server & LED Control

1.Created an HTTP server on port 80

Parsed browser requests like:

1./LED=ON

2./LED=OFF

3.Controlled LED state using HTTP URLs

4.Designed a simple HTML page with buttons

Day 5 – Testing & Debugging

Tested on:

1.Laptop browser

2.Mobile browser

Verified:

Real-time LED response

Stable Wi-Fi connection

Cleaned up Serial output

Recorded a working demo video

How the Project Works

ESP32 connects to Wi-Fi

ESP32 starts a web server

User enters ESP32 IP address in browser

Buttons send HTTP requests

ESP32 reads the request

LED turns ON or OFF accordingly

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