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 17, 2022

If you have ever visited large scale manufacturing companies, the first thing you will notice is that they are all automated.…

March 16, 2022

An infrared proximity sensor or IR Sensor is an electronic device that emits infrared lights to sense some aspect of the…

March 10, 2022

An oscilloscope is an electronic test device that can monitor the steady change of any electrical voltage using two-dimensional…

March 4, 2022

3D printers have become an essential aspect of quick prototyping and have reached out to a wide range of makers and engineers.…

February 28, 2022

Smart Dustbin as its name represents its work smartly or we can say that it is an automatic dustbin. Smart…

February 28, 2022

A gas detector is a device that detects the presence of gases in an area, often as part of a safety system.…

February 28, 2022

Hello friends, I am Chirukesh, and I am a YouTuber, this is a Pulse Oximeter that measures Oxygen Saturation…

February 25, 2022

Most advanced electronics PCB assembly lines have pick and place machines to pick components from an SMD reel and place it on a…

February 25, 2022

Normally we are facing problems with the IR Remote sometimes it may not work and regularly we need to change…

February 25, 2022

I decided to make a 'Pulse Oximeter' because, in this pandemic situation, we need this device a lot. It…

February 25, 2022

In this project, we will make a remote controlled car for real time applications. This robotic car has been…

February 25, 2022

The affordable autonomous and open-source robot provides localization and mapping facilities and safely…