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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The OV7670 camera module with Arduino programming has always dominated the electronics industry, as it has lots of applications…

An Arduino obstacle avoiding robot is a smart, autonomous robot that detects obstacles on its path using sensors and then…

Humans and machines interact and communicate with one other in many possible ways, computers have monitor, keyboard and mouse,…

The advancement in Electric Vehicles, Drone and other mobile electronics like IoT Devices seems to be promising for the future…

It is expected that by 2020 we will have 25 Billion devices connected to the internet. To give you an idea that is more than…

Choosing a communication protocol for communication between microcontrollers and peripheral devices is an important part of…

Consider a fast-moving car, if it suddenly gets hit by another car in opposite direction, the first thing that happens is that…

We all know that the Microcontrollers work only with digital values but in real world we have to deal with analog signals. That…

Today digital meters are replacing analog meters in every sector whether its electricity meter or taxi fare meter. The main…

When it comes to our loved ones, we always want to keep them healthy and fit. But what will happen if they get ill and forget…

Robots have slowly started to crawl into our society to make our life simpler. We can already find the six wheeled food…

In our previous tutorials, we have learned about SPI and I2C communication between two Arduino boards. In this tutorial we will…