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 14, 2019

Biometrics has been used as a reliable authentication system for a long time now. Today there exist complex biometric systems…

May 10, 2019

The multitasking has led the computers to a revolution where one or more programs can run simultaneously which increases…

May 9, 2019

We have seen numerous examples of Blinking an LED using different Microcontrollers and different programming languages. Today,…

May 7, 2019
LoRa is getting increasingly popular with the advent of IoT, Connected Cars, M2M, Industry 4.0 etc. Because of its ability to communicate to long…
April 27, 2019

Self-driving cars and connected vehicles, is sure to change the way we commute in the future. Today companies like Tesla are…

April 24, 2019

Modbus is a Serial Communication protocol which was discovered by Modicon in 1979 and it is used for transmitting data over…

April 23, 2019

There are several critical machines or expensive equipments which suffer damages due to vibrations. In such a case, a vibration…

April 18, 2019

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

April 17, 2019

Digital wall Clocks are getting more popular now days and they are better than analog clock as it provides accurate time in…

April 16, 2019

In some applications, user input is required to control the functions of a device. There are different kinds of user input…

April 9, 2019

Cameras have always dominated the electronics industry as it has lots of applications such as visitor monitoring system,…

March 12, 2019

Obstacle Avoiding Robot is an intelligent device that can automatically sense the obstacle in front of it and avoid them by…