500+ 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 that was built by us here in Circuit Digest. All the projects that we have provided here 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 at Arduino IoT Projects | Arduino Robotics Projects | Arduino AI Projects | Arduino Home Automation Projects | Raspberry Pi Projects | ESP32 Projects

June 6, 2022

IoT and home automation have come a long way since they first gained popularity in 2014, thanks to the debut of a game-…

May 30, 2022

A rotary encoder is a type of electromechanical position sensor that can be used to identify the angular position of…

May 25, 2022

If you are an embedded engineer and working in the electronic industry, every once in a while there will be situations…

May 23, 2022

With the advent of technology, our electronic gadgets and appliances are becoming smaller and smaller with more functional and…

May 23, 2022

Time is vital in today's society, and when it comes to certain electronics, timing is crucial; just like us, they…

May 19, 2022

When we are talking about air pollution, dust and smoke are one of the many reasons for air pollution. Not only that,…

May 18, 2022

Have you ever wondered how the antitheft system in a supermarket works? Or how do automatic…

May 17, 2022

DHT11 Module features a temperature & humidity sensor complex with a calibrated digital signal output…

May 16, 2022

The MPU6050 is a very popular accelerometer gyroscope chip that has six axes sense with a 16…

May 13, 2022

The damages that can be done by fire are devastating. To prevent causalities or damages, it…

May 12, 2022

Nowadays, natural gasses are everywhere. They are easy to transport and provide energy for various tasks in both…

May 11, 2022

In today's world, time is everything, and when it comes to specific electronics, timing is…