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

We at Circuitdigest have worked on a lot of PCB projects, but have consistently faced a…

Winter is coming and that simply means cold weather with early nights.…

If you are planning on building a robot with DC motors then you will eventually learn that you need to control both the…

When it comes to giving your project wireless capabilities, the 433MHz ASK transmitter and receiver is a common choice…

Are you tired of having shaky footage ruin your video? Or do you want to make some cinematic…

A servo motor is a type of motor that is used to control the precise movement of a device. It typically consists of a…

A GPS tracker is one of the most simple and interesting projects in the field of electronics, and for one of our…

In an ideal scenario, a battery should have zero internal resistance. But batteries are not made perfect and the…

If you are thinking about building your next project around a 4-digit seven-segment display, you need at least 12…

When you require a dynamic lighting solution, LED strips are a great choice. They may be…

Detecting the amount of light in the ambiance is necessary for many areas of our everyday…

When it comes to adding a display to your next project there are many options to choose from like OLED, 16x2 LCD, Seven…