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

October 7, 2021

Humidifier is a device used to increase the relative humidity of a closed area to ensure enough moisture in the area.…

October 5, 2021

Everyone of us likes a little greenery in our houses, don’t we? Plants require really low maintenance and can be left for days…

September 29, 2021

Most musical concerts nowadays are accompanied by some fancy light shows. Almost all concerts, festivals, and nightclubs have a…

September 21, 2021

AI has been a buzzword this entire decade. People have been applying the concepts of AI in all possible fields – Agriculture,…

September 20, 2021

E-paper, often known as electronic paper, is a type of technology that imitates the look of ink on paper. Electronic paper…

September 17, 2021

Hello! everyone, this tutorial will be extremely exciting for electronics makers because we will be designing our own touch-…

September 13, 2021

Forest fires are common hazards in forests that cause a lot of harm to Wildlife as well as the Environment. It could be avoided…

September 8, 2021

Line Follower Robot (LFR) is a simple autonomously guided robot that follows a line drawn on the ground to either detect a dark…

August 31, 2021

If you are the one interested in working on some kind of smart home project but don’t know where to start and which smart home…

July 27, 2021

Distance measurement of an object in the path of the person, equipment, or a vehicle or moving object is used in a large number…

July 21, 2021

In a present-day scenario, we all are so busy with our work that we don't have the time for cleaning our house properly. The…

July 10, 2021

Nowadays most of the car comes with keyless entry and push-button ignition system, in which you only need to carry the key in…