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

March 8, 2019

Humans and machines interact and communicate with one other in many possible ways, computers have monitor, keyboard and mouse,…

February 20, 2019

The advancement in Electric Vehicles, Drone and other mobile electronics like IoT Devices seems to be promising for the future…

February 20, 2019

It is expected that by 2020 we will have 25 Billion devices connected to the internet. To give you an idea that is more than…

February 18, 2019

Choosing a communication protocol for communication between microcontrollers and peripheral devices is an important part of…

February 14, 2019

In previous tutorials we have learned about ZigBee protocol and its architecture, and also learned about wireless communication…

February 12, 2019

Consider a fast-moving car, if it suddenly gets hit by another car in opposite direction, the first thing that happens is that…

February 6, 2019

We all know that the Microcontrollers work only with digital values but in real world we have to deal with analog signals. That…

January 24, 2019

Today digital meters are replacing analog meters in every sector whether its electricity meter or taxi fare meter. The main…

January 22, 2019

When it comes to our loved ones, we always want to stay them healthy and fit. But what will happen if they get ill and forget…

January 16, 2019

Robots have slowly started to crawl into our society to make our life simpler. We can already find the six wheeled food…

January 7, 2019

In our previous tutorials, we have learned about SPI and I2C communication between two Arduino boards. In this tutorial we will…

December 24, 2018

In our previous tutorial learned about SPI communication in Arduino. Today we will learn about another Serial Communication…