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 23, 2022

Students who receive STEM education become critical thinkers, have a higher level of science literacy, and…

February 22, 2022

Do you feel disturbed when you need to adjust the temperature? The wait is over, the solution is here! We…

February 22, 2022

Coronavirus is the biggest health crisis in the history of humanity and the fight with it continues as new…

February 21, 2022

Ever wondered if your everyday Arduino boards were just not enough for your tasks, and a Raspberry Pi (RPi) seemed to be…

February 14, 2022

Thousands of lives are being lost every year due to IEDs (improvise explosive devices). IEDs were…

February 11, 2022

Artificial Intelligence (AI) is changing science fiction into reality and this technology is taking over the…

January 7, 2022

In this tutorial we are going to make a Touch Capacitive PCB using an ATMega328P IC to control neo pixel led strip. We will…

December 23, 2021

As Christmas is around the corner and the essence of it is incomplete without the decoration and the Christmas tree. So,…

December 13, 2021

Vending machines are very popular nowadays due to their ease of use, multiple use cases, and no human intervention. It can…

November 23, 2021

Road accidents became a matter of concern due to the huge increase in traffic. The primary cause of accidents is due to the…

November 12, 2021

There are lots of people working with renewable energy, especially Solar Power. However, the instruments required to properly…

November 1, 2021

In this article we decided to make a PID Controller based Heater that can be used to control the temperature of the hot end of…