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

August 26, 2019

There are several water fountains which unconditionally sprinkle water with some interesting lighting effects. So I wandered…

August 8, 2019

Analog to digital conversion is a very important task in embedded electronics, as most of the sensors provide output as analog…

August 6, 2019

Charlieplexing is a technique of controlling many LEDs using a few I/O pins. Charlieplexing is same as multiplexing, but it…

August 1, 2019

Designers use many wireless communication systems like Bluetooth Low Energy (BLE 4.0), Zigbee, ESP8266 Wi-Fi Modules, 433MHz RF…

July 24, 2019

When developing electronic projects, the power supply is one of the most important part of whole project and there is always…

July 23, 2019

Morse code is a system of communication to encode any character in two different durations of signals called Dots and Dashes.…

July 23, 2019

Today most of the phones come with gesture control feature to open or close any app, start music, attend calls etc. This is a…

July 16, 2019

Today any average car consists of around 60 to 100 sensor units in it for sensing and exchanging information. With car…

July 9, 2019

TOF or Time of flight is a commonly used method to measure the distance of distant objects by various distance measurement…

July 4, 2019

When debugging an electronics circuit or testing a new hardware design, often times I tend to check if the components on the…

July 3, 2019

The MPU6050 is an IC 3-axis accelerometer and a 3-axis gyroscope combined into one unit. It also houses a temperature sensor…

July 1, 2019

Knowing the whereabouts of a particular object/person has always been comforting. Today, GPS is being extensively used in asset…