450+ DIY Arduino Projects and Tutorials

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

October 7, 2015

Heart rate, body temperature and blood pressure monitoring are very important parameters of human body. Doctors use various…

October 1, 2015

In this project we are going to interface a ROTARY ENCODER with ARDUINO.  ARDUINO UNO is an ATMEGA controller based development…

September 14, 2015

In this tutorial we are going to interface a 4x4 (16 key) keypad with ARDUINO UNO. We all know keypad is one of the most…

September 2, 2015

In this tutorial you will learn to make direct connection between your Arduino and Matlab, so that you can program your Arduino…

August 18, 2015

In this project we are using the concept of ADC (Analog to Digital Conversion) in ARDUINO UNO. We are going to use a Hall…

August 17, 2015

In this tutorial we are going to design a system to read the ID of RFID cards. RFID stands for Radio Frequency Identification.…

August 15, 2015

In this tutorial we are going to control a servo motor by ARDUINO UNO. Servo Motors are used where there is a need for accurate…

August 11, 2015

In present time almost all the people are familiar with robots. Robots play a very important role in human life. Robots are a…

August 6, 2015

This LED DIMMER is an Arduino Uno based PWM (Pulse Width Modulation) circuit developed to get variable voltage over constant…

August 5, 2015

In ARDUINO we have 20 I/O pins, so we can program 20 pins of UNO to be used as either input or output. Although there are more…

August 3, 2015

In this arduino based project, we are going to build a temperature-controlled fan using Arduino. With this circuit, we will be…

July 28, 2015

Robots are playing an important role in automation across all the sectors like construction, military, medical, manufacturing,…