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

December 10, 2016

In this project we are going to make an IoT Based Air Pollution Monitoring System in which we will monitor the Air Quality over…

November 29, 2016

In this tutorial we are going to design an 8x8 LED Matrix Scrolling Display using Arduino Uno, which will show scrolling…

November 24, 2016

In this DIY, we are going to make an IOT based dumpster/garbage Monitoring System which will tell us that whether the trash can…

November 16, 2016

Most of our electronics projects are powered by a Lead Acid battery, in this project let us discuss how to recharge this lead…

November 8, 2016

You have seen Propellers in Aircrafts or in marine ships, if not in real then in movies for sure. In this session we are going…

October 28, 2016

Automation is the essence of today’s world. Automation can make our life easy and secure. There are many ways to obtain…

October 13, 2016

VU Meter or Volume Meter is very popular and fun project in Electronics. We can consider the Volume Meter as an Equalizer,…

October 4, 2016

Batteries are generally used to power up the Electronic Circuit and Projects, as they are easily available and can be connected…

September 23, 2016

Security has always been a major concern for all of us and there are many Hi tech and IoT based security and surveillance…

September 13, 2016

Hi guys, are you a newbie to the world of Robotics or Electronic? OR Are you looking for a simple yet powerful project to make…

September 6, 2016

In this project we will use an existing FM radio which went repair a long time ago, to convert it into a Smart Wireless FM…

August 30, 2016

Any color is made up of three colors: Red, Green and Blue, using a simple RGB LED you can generate any color. But the…