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

August 7, 2017

It’s all started with a small game from the dark ages called “Mario”, right from the time of being a tiny little guy jumping on…

August 5, 2017

We all are quite familiar with Electronic Voting Machines, where your vote gets registered electronically and you don’t need to…

July 31, 2017

Security is a major concern in our day to day life, and digital locks have become an important part of these security systems.…

July 21, 2017

Security is a major concern in our day to day life, and digital locks have become an important part of these security systems.…

July 18, 2017

In this project we are going to build a piece of entertainment using Arduino. We all have that habit of tapping Table or Pen…

July 4, 2017

As Engineers/Developers we always rely upon the data collected to design or improve a system. Recording data and analyzing them…

July 4, 2017

Arduino is an excellent way to simplify and speed up your microcontroller projects, thanks to its community of developers who…

June 28, 2017

Today we are here with an interesting project in which we will Send Data to the SparkFun server using Arduino and GPRS. This is…

June 23, 2017

Most of us would be familiar with the 16×2 Dot matrix LCD display that is used in most of the projects to display some…

June 13, 2017

Ever wanted to build a Face Tracking Robotic Arm or Robot by simply using Arduino and not any other programming like OpenCV,…

June 9, 2017

An earthquake is an unpredictable natural disaster that causes damage to lives and property. It happens suddenly and we cannot…

June 7, 2017

The Arduino Development Platform was originally developed in 2005 as an easy-to-use programmable device for art design projects…