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

January 24, 2020

RFID (Radio Frequency Identification) is an inexpensive and accessible technology. It can be used in many applications such as…

January 17, 2020

We all know about accelerometer and gyroscope, they are primarily used to detect acceleration. While Accelerometer can measure…

January 16, 2020

ESP modules are popular for their Wi-Fi functionalities like ESP8266, ESP-12E, etc. These all are powerful Microcontroller…

January 7, 2020

Today almost everyone uses their mobile phones to listen to music, news, podcasts, etc. But not long ago we were all depending…

January 3, 2020

A simple Rain Detection System can be easily built by interfacing an Arduino with Rain Sensor. The sensor will detect any…

December 26, 2019

Fitness bands are getting very popular nowadays, which not only counts the footsteps but also tracks your calories burned,…

December 23, 2019

The "Quick Response" code or abbreviated as QR code has become an essential part of our digital lives, chances are that you're…

December 13, 2019

If you want to build your own temperature monitoring system or to measure the altitude of your drone or simply want to measure…

December 10, 2019

We all know of the wired doorbell systems which require wires and suitable outlets for it to work satisfactorily. As the wired…

December 6, 2019

When it comes to giving your projects wireless capabilities, the 433Mhz ASK Hybrid Transmitter and receiver is a common choice…

December 3, 2019

Display advertising plays a very importing role in marketing and there are several advertisement methods like newspapers,…

November 25, 2019

In this project we are going to work on an innovative arduino project idea, where we can count the paper currency notes and…