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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A servo motor is a type of motor that is used to control the precise movement of a device. It typically consists of a…

A GPS tracker is one of the most simple and interesting projects in the field of electronics, and for one of our…

In an ideal scenario, a battery should have zero internal resistance. But batteries are not made perfect and the…

Every engineer and hobbyist nowadays has a workbench for all of their tools and gadgets, and…

In one of our previous projects, we interfaced SX1278(Ra-02) based LoRa module with Arduino and established…

In this project, we are going to build an animatronic eye with Arduino. I got the idea to create an animatronic eye…

Most heart diseases are associated with and reflected by the sound that the heart produces, and one of the easiest and…

IoT and home automation have come a long way since they first gained popularity in 2014, thanks to the debut of a game-…

With the advent of technology, our electronic gadgets and appliances are becoming smaller and smaller with more functional and…

I know making a clock sounds a little irrelevant, especially nowadays because we all have smartphones and no one is going to…

For one of our projects at circuit digest, we wanted to build a Persistence of Vision Display or POV display with WS2812B LEDs…

There are multiple Lithium batteries available in the market with larger options in capacity. However, as we all know lithium…