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 2, 2017

Welcome to another project in which we will build a small Robot which can walk and dance. The project aims in teaching you how…

May 16, 2017

This is a very interesting project in which we are going to learn how to implement virtual reality using Arduino and Processing…

May 1, 2017

In our previous tutorials, we have learned about How to interface GPS module with Computer, how to build a Arduino GPS Clock…

April 20, 2017

In this project we make a Cool Speedometer for bikes or any automotives by using Arduino which broadcast the speed using…

April 11, 2017

This is an interesting project in which we explore the power of an Arduino and Android to create a Surveillance device which…

March 2, 2017

Today we are going to build an Arduino wight machine,  by interfacing Load Cell and HX711 Weight Sensor with Arduino. We have…

January 12, 2017

In this article, we are going to make a Sun Tracking Solar Panel using Arduino, in which we will use two LDRs (Light-dependent…

January 10, 2017

Smoke Detectors are very useful in detecting smoke or fire in buildings, and so are the important safety parameters. In this…

January 1, 2017

In this article, we are going to Control the Robot Car through the G sensor of our mobile phone and you will be able to move…

December 29, 2016

In this post we are going to control a Servo Motor using a web browser with the help of Arduino and Wi-Fi module ESP8266. The…

December 19, 2016

In this project we are going to make a Heart Beat Detection and Monitoring System using Arduino that will detect the heart beat…

December 12, 2016

Whenever we go out of town for few days, we always used to worry about our plants as they need water on regular basis. So here…