500+ Arduino Projects with Code - Circuit Diagrams & Tutorials

Browse CircuitDigest’s curated collection of Arduino projects for beginners and advanced makers. Discover practical Arduino project ideas with source code, circuit diagrams, and clear step-by-step explanations. This library of 500+ projects helps you quickly find the right Arduino application for electronics, automation, IoT, robotics, and embedded systems.

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I have made RGB Goggles using WS2812B LEDs and Arduino Nano. The Arduino based Goggles have many different…

A lot of intrusion activities/security threats in the army area are seen nowadays. This gave me an idea to…

I have built a model of a Modern Smart Home. These features demonstrate what a Smart Home would be like! A…

As we have heard many fire accidents take place around us. The Surat fire accident in which many students…

It is important to first understand what the project is intended to do. Way before starting my IoT &…

What I have made here is an attendance register that records the temperature of a registered user and…

Today we can say the Mobile phone is our friend. Smartphones can do almost everything. So, is it possible to…

The Internet of Things (IoT) allows objects to be identified and controlled from a distance using…

In this project, we have the above mentioned components and the working is quite east to understand .The…

Being in the field of electronic engineering, we wanted to explore and experiment with the different…

This project is based on a water tank management system. The project name is a Manual And Automatic Water Level Controller…

Students who receive STEM education become critical thinkers, have a higher level of science literacy, and…