Project Hub /Basic Analog & Power Electronics/Getting Started with Raspberry Pi Pico W and building a LED Webserver using Micropython

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Getting Started with Raspberry Pi Pico W and building a LED Webserver using Micropython

Learn how to set up the Raspberry Pi Pico W using MicroPython, connect to Wi-Fi, and build a custom web server to control an onboard LED from anywhere on the network.

Originally published on CircuitDigest

View original tutorial

Parts You'll Need

This project is sourced from another site, not written by us — this list is our best match of their components against what we stock, not a verified bill of materials. Always check the original blog (linked above) for the actual parts list before buying.

Raspberry Pi 3 - Model B+ 1.4Ghz 64-bit quad-core Processor with 1 GB Ram (Original) Rs. 9,810.00
Cable for Arduino Nano (USB 2.0 A to USB 2.0 Mini B) 30cm Rs. 69.00
400 Points Mini Solderless Prototype PCB Breadboard High Quality Rs. 89.00
MB102 Adjustable Breadboard Power Supply Module (3.3V & 5V) for Arduino & Raspberry Pi Rs. 139.00
Jumper Wire 10 Pin Male To Male 20cm Rs. 45.00
Jumper Wire 10 Pin Male To Female 20cm Rs. 45.00

Selected: Rs. 0.00

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How It Works

The Raspberry Pi Pico W serves as the central processing unit and network gateway for this project. Powered via a Micro USB cable connected to a computer, the microcontroller runs a MicroPython firmware environment loaded through the Thonny IDE. The Pico W features an onboard wireless chip that enables it to connect to a local Wi-Fi network. By writing a script in MicroPython, the Pico W initializes a lightweight socket-based web server that listens for incoming HTTP requests over the network. When a user navigates to the Pico W's assigned IP address using a web browser on another device, the server receives the request and parses the URL path. Depending on the input received from the web page interface, the microcontroller executes code to toggle the state of its onboard LED—turning it either on or off. This establishes a bidirectional communication loop where the physical hardware state is controlled remotely over standard web protocols.

Why Build This

Gain foundational engineering experience in Internet of Things (IoT) architecture by bridging embedded systems with web-based control interfaces.

Understand the implementation of lightweight TCP/IP socket programming and HTTP request handling on resource-constrained microcontrollers.

Develop practical skills in deploying wireless microcontroller nodes for scalable home automation and remote device management.

Real-World Application

Remote device control, home automation, and lightweight IoT node implementation.

Skills You'll Learn

MicroPython programming

Wi-Fi network configuration

HTTP server implementation

socket programming

remote device control

Safety Precautions

No specific precautions noted for this build — always follow general electronics safety practices.

Technology Tags

MICROPYTHON

WI-FI

WEB SERVER

IOT

THONNY IDE

EMBEDDED SYSTEMS

NETWORKING

Frequently Asked Questions

Do I need an internet connection to run this web server?

No, you only need a local Wi-Fi network or access point so that your computer and the Raspberry Pi Pico W can communicate on the same local network.

Why use MicroPython instead of C or C++?

MicroPython allows for rapid script development and interactive debugging through the Thonny IDE without requiring a lengthy compile-and-flash cycle, making it ideal for prototyping network applications.

Can I control external LEDs instead of just the onboard one?

Yes, once you understand how the web server logic toggles the onboard LED, you can easily modify the script and wire external components to the Pico W's GPIO pins.

Gallery

This page is part of Kitkraft's Project Hub — a curated collection of electronics & robotics projects gathered from the maker community to help students and hobbyists discover and learn to build. Kitkraft does not claim authorship of the original project, and makes no representation as to the accuracy, completeness or safety of third-party source material. The summary and "How It Works" explanation above are AI-generated, rewritten with reference to the original tutorial — not a reproduction of it. Full credit and a direct link to the original source are provided above. If you're the original creator and have a concern about how your work is represented here, please contact us and we'll address it promptly.

Kitkraft Project Hub — curated from the maker community, credited at the source.

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