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

June 28, 2019

Text-to-speech or TTS system converts normal text into Speech. This tech enables the system to speak out the text in a human…

June 24, 2019

Ever wondered how our world is moving towards the immersive reality. We are continuously finding new ways and methods to…

June 20, 2019

While using the BLE HM-10 module, you must encounter some really frustrating problems like you cannot send or receive AT…

June 18, 2019

Graphical representation is always helpful to visualize the data and it becomes very easy to find trends and patterns by…

June 17, 2019

As a kid I was fascinated by a toy music car which gets triggered when you clap your hands, and then as I grew up I wondered if…

June 14, 2019

When you take your phone in sunshine or in high lighting, then it automatically adjusts the brightness according to the…

June 12, 2019

In the previous tutorial we learned about Modbus RS-485 Serial Communication with Arduino as Slave. In continuation with that…

June 10, 2019

Bluetooth is one of the most popular and easy to use wireless technology. Over the few years there have been many upgrades of…

June 4, 2019

We previously interfaced Joystick with Arduino UNO to understand how it works and controlled four LEDs on its left, right, up…

May 28, 2019

As the name suggests, color sorting is simply to sort the things according to their color. It can be easily done by seeing it…

May 23, 2019

Few years back if you were to tell someone that the Geyser and bedroom lights in your home are connected to internet, they…

May 21, 2019

Development in Arduino and Arduino IDE has always been easy and fun with their simple user interface. The Arduino IDE is open-…