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

May 8, 2022

I know making a clock sounds a little irrelevant, especially nowadays because we all have smartphones and no one is going to…

May 6, 2022

Thermistors are simple, inexpensive, and accurate components that make it easy to get…

April 21, 2022

For one of our projects at circuit digest, we wanted to build a Persistence of Vision Display or POV display with WS2812B LEDs…

April 18, 2022

Water tank overflow is a common problem that results in water wastage, and it's surprising to note that it's not even…

April 13, 2022

If you are looking for an inexpensive, accurate, easy-to-use temperature sensor, then LM35 is an excellent choice. It has an…

April 12, 2022

Planning to buy a small voice recorder to record voices or sounds in an environment and store them in its memory? Think again!…

April 11, 2022

A Hall effect sensor or Hall sensor is a magnetic non-contact sensor that generates an electrical signal proportional to the…

April 8, 2022

In this digital age, we come across LCDs all around us from simple calculators to smartphones, computers and television sets,…

April 1, 2022

There are multiple Lithium batteries available in the market with larger options in capacity. However, as we all know lithium…

April 1, 2022

Nowadays, sensors play a major role in the safety and security of many different apartments, homes and offices by detecting…

March 28, 2022

When it comes to detecting certain changes in weather conditions, it's pretty unpredictable, and rainfall is one of the most…

March 24, 2022

Bluetooth speaker has now become a pretty popular household gadget that we use on a daily basis. So, for today's article, we…