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

March 3, 2016

Vehicle Tracking systems are very commonly used in fleet management and asset tracking applications. Today these systems can…

February 22, 2016

Snake Game has been very popular since the beginning of the Mobile phones. Initially it was come in Black and white cell phones…

February 10, 2016

Mobile phone is a revolutionary invention of the century. It was primarily designed for making and receiving calls & text…

February 6, 2016

Prepaid Electricity Energy Meter is a good concept in which you can recharge its balance, like we do in our mobile phones. In…

February 4, 2016

In this project we are going to make Clapper circuit using the concept of ADC (Analog to Digital Conversion) in ARDUINO UNO. We…

January 23, 2016

Wireless notice board is very selective term for this project, as it has a very wide scope rather than just being a simple…

January 19, 2016

In this project we are going to design a 3x3x3 LED CUBE and connect it to Arduino UNO to get different patterns. For a beginner…

January 9, 2016

Previously we have covered many types of Home automations using different technologies like DTMF Based Home Automation, PC…

December 25, 2015

After developing few popular robotic projects like line follower robot, edge avoiding robot, DTMF robot, gesture controlled…

December 6, 2015

In this tutorial we will develop a circuit using Force sensor, Arduino Uno and a servo motor. It will be a servo control system where the servo…

December 2, 2015

Here we are going to establish a communication between an ATmega8 microcontroller and Arduino Uno. The communication…

December 1, 2015

In this project we will develop a tone generator using Arduino Uno. We will have buttons interfaced with the UNO and each one…