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+ Arduino-based projects helps you quickly find the right Arduino application for electronics, automation, IoT, robotics, and embedded systems.

Explore Arduino Project Categories

Breathing clean, healthy air is vital for our well-being, yet air quality remains a concern in many environments. In this article, we delve into…

In the world of electronics and robotics, servo motors play a crucial role in controlling…

If you are new to smart home automation and are looking to build your first project to control your lights and fans…

Welcome to our latest project, an exciting journey where we delve into the world of…

In today's fast-paced world, convenience is key. Dealing with the temperature fluctuations in your living space can be…

Avoiding obstacles is a key job in robotics, where autonomous robots aim to reach their destination without bumping…

Waste management has become a pressing global issue as urbanization continues to grow. One…

In this blog, we will learn about how to interface a Passive Infrared sensor (PIR Sensor) or…

In this tutorial, we will learn to Guide you about how you can interface a heartbeat sensor…

Welcome to our blog post on interfacing the WS2811 (5V) RGB LED strip with Arduino! In this guide, we will…

Tired of your old Arcade games which all looks and works in the same way? Want to create a…

There are many ways to communicate between a product and a user, but the most common and…