500+ DIY Arduino Projects with Code & Circuit Diagram

Arduino is a popular open-source development board used by engineers, hobbyists, and makers to develop electronic projects and prototypes easily. 

The below list consists of a large collection of free Arduino Projects from Circuit Digest. All projects consist of neatly illustrated Arduino circuit diagrams and detailed explanations, the relevant Arduino code is also provided for a complete do-it-yourself tutorial. If you want more projects you can also check out our collection at Arduino IoT Projects | Arduino Robotics Projects | Arduino AI Projects | Arduino Home Automation Projects | Raspberry Pi Projects | ESP32 Projects

October 2, 2023

In this tutorial, we will learn to Guide you about how you can interface a heartbeat sensor…

September 19, 2023

In the domain of robotics and automation, precision-controlled mechanical movements have…

September 15, 2023

Welcome to our blog post on interfacing the WS2811 (5V) RGB LED strip with Arduino! In this guide, we will…

September 1, 2023

Tired of your old Arcade games which all looks and works in the same way? Want to create a…

August 9, 2023

There are many ways to communicate between a product and a user, but the most common and…

July 27, 2023

Hey there, music lovers! We've got something exciting to share with you! We've already…

July 21, 2023

MicroPython is a subset of Python 3 optimized to run on microcontrollers. It provides an…

July 19, 2023

The planet Mars has captivated our imagination for centuries, and the idea of sending…

June 21, 2023

An Arduino hourglass project is a fun and educational project that involves creating a digital hourglass…

May 26, 2023

Shark Tank India - the show which has inspired many Indians to start their own enteprenual…

May 8, 2023

If you're up for a challenge, you could create your own Tetris game using an Arduino and an…

March 8, 2023

A stepper motor is a type of brushless DC motor that divides a full rotation into a number of steps, thus allowing for…