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

September 20, 2017

Ammeter is used to measure current flow through any load or device. Here in this Arduino Ammeter, we will explain about…

September 19, 2017

Arduino has always been a powerful and an easy to use learning/developing platform when it comes to open source hardware…

September 13, 2017

In this project we are going to make a Buck Converter Circuit using Arduino and N-Channel MOSFET with a maximum current…

September 11, 2017

With a simple knowledge of Arduino and Voltage Divider Circuit, we can turn the Arduino into Digital Voltmeter and can measure…

September 5, 2017

CNC Machines are Computerized Numerical Control Machines which are used to draw anything or design any mechanical part…

August 24, 2017

Arduino has always helped to build projects easily and make them look more attractive.  Programming an LCD screen with touch…

August 21, 2017

Stepper motors are increasingly taking its position in the world of the electronics. Starting from a normal Surveillance camera…

August 20, 2017

In this project, we are going to make an AC Voltage Measuring Device using Arduino, which will measure the voltage of…

August 15, 2017

Stepper motors are increasingly taking its position in the world of the electronics. Starting from a normal Surveillance camera…

August 14, 2017

Detecting motions or movements has always been important in most projects. With the help of the PIR Sensor it has become very…

August 9, 2017

Attendance systems are commonly used systems to mark the presence in offices and schools. From  manually marking the attendance…

August 8, 2017

We all know about Arduino. It is one of the most popular open source micro controller board which is highly useful for doing…