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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In this article, we are going to Control the Robot Car through the G sensor of our mobile phone and you will be able to move…

In this post we are going to control a Servo Motor using a web browser with the help of Arduino and Wi-Fi module ESP8266. The…

In this project we are going to make a Heart Beat Detection and Monitoring System using Arduino that will detect the heart beat…

Whenever we go out of town for few days, we always used to worry about our plants as they need water on regular basis. So here…

In this project, we are going to make an IoT Based Air Pollution Monitoring System in which we will monitor the Air Quality…

In this tutorial we are going to design an 8x8 LED Matrix Scrolling Display using Arduino Uno, which will show scrolling…

In this DIY, we are going to make an IOT based smart garbage alert system using Arduino uno that will tell us that whether the…

Most of our electronics projects are powered by a Lead Acid battery, in this project let us discuss how to recharge this lead…

You have seen Propellers in Aircrafts or in marine ships, if not in real then in movies for sure. In this session we are going…

Automation is the essence of today’s world. Automation can make our life easy and secure. There are many ways to obtain…

VU Meter or Volume Meter is very popular and fun project in Electronics. We can consider the Volume Meter as an …

Batteries are generally used to power up the Electronic Circuit and Projects, as they are easily available and can be connected…