450+ 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 of IoT Projects, ESP32 Projects, Robotics Projects, and Raspberry Pi Projects

February 25, 2022

An Obstacle Avoidance Robot is an intelligent robot, which can automatically sense and overcome obstacles on…

February 25, 2022

I have made RGB Goggles using WS2812B LEDs and Arduino Nano. The Arduino based Goggles have many different…

February 25, 2022

A lot of intrusion activities/security threats in the army area are seen nowadays. This gave me an idea to…

February 25, 2022

I have built a model of a Modern Smart Home. These features demonstrate what a Smart Home would be like! A…

February 25, 2022

As we have heard many fire accidents take place around us. The Surat fire accident in which many students…

February 24, 2022

It is important to first understand what the project is intended to do. Way before starting my IoT &…

February 24, 2022

What I have made here is an attendance register that records the temperature of a registered user and…

February 24, 2022

Today we can say the Mobile phone is our friend. Smartphones can do almost everything. So, is it possible to…

February 24, 2022

The Internet of Things (IoT) allows objects to be identified and controlled from a distance using existing…

February 24, 2022

In this project, we have the above mentioned components and the working is quite east to understand .The…

February 24, 2022

Being in the field of electronic engineering, we wanted to explore and experiment with the different…

February 23, 2022

This project is based on a water tank management system. The project name is a Manual And Automatic Water Level Controller. In…