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.

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Building an Arduino oscilloscope with OLED display is an affordable way for electronics hobbyists and students to visualize…

3D printers have become an essential aspect of quick prototyping and have reached out to a wide range of makers and engineers.…

A gas detector is a device that detects the presence of gases in an area, often as part of a safety system.…

Hello friends, I am Chirukesh, and I am a YouTuber, this is a Pulse Oximeter that measures Oxygen…

Most advanced electronics PCB assembly lines have pick and place machines to pick components from an SMD reel and place it on a…

Normally we are facing problems with the IR Remote sometimes it may not work and regularly we need to change…

I decided to make a 'Pulse Oximeter' because, in this pandemic situation, we need this device a lot. It…

In this project, we will make a remote controlled car for real time applications. This robotic car has been…

The affordable autonomous and open-source robot provides localization and mapping facilities and safely…

An Obstacle Avoidance Robot is an intelligent robot, which can automatically sense and overcome obstacles on…

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…