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

November 14, 2019

Recently I got intrigued with all the new Home Automation products in the market and hence I purchased a Google Home Mini and…

November 8, 2019

Arduino has been the go-to development platform for fast prototyping and idea validation. Many of us would have started with…

November 6, 2019

As many of us know computers were invented around 1871, but it was not until 1961 we had them password protected. Early in the…

November 5, 2019

Smart speakers like Amazon Echo or Google home are getting popular now days and both have capability to integrate custom skill…

October 25, 2019

In our household, most of the appliances are powered from the AC supply such as Lights, TVs, and Fans, etc. We can turn ON/OFF…

October 22, 2019

While doing projects using Arduino, we always need to connect Arduino to PC in order to upload the program in it. But sometimes…

September 24, 2019

Bluetooth Low Energy (BLE) is a version of Bluetooth and it is present as a smaller, highly optimized version of the classic…

September 12, 2019

Power consumption is a critical issue for a device running continuously for a long time without being turned off. So to…

September 10, 2019

A stepper motor is a type of DC motor that works in discrete steps and used everywhere from a surveillance camera to…

August 30, 2019

Solenoids are very commonly used actuators in many process automation systems. There are many types of solenoid, for instance,…

August 29, 2019

A stepper motor is a type of DC motor that works in discrete steps and used everywhere from a surveillance camera to…

August 27, 2019

Noise pollution has really started to gain importance due to high population density. A normal human ear could hear sound…