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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Few years back if you were to tell someone that the Geyser and bedroom lights in your home are connected to internet, they…

Development in Arduino and Arduino IDE has always been easy and fun with their simple user interface. The Arduino IDE is open-…

Biometrics has been used as a reliable authentication system for a long time now. Today there exist complex biometric systems…

The multitasking has led the computers to a revolution where one or more programs can run simultaneously which increases…

We have seen numerous examples of Blinking an LED using different Microcontrollers and different programming languages. Today,…

LoRa is getting increasingly popular with the advent of IoT, Connected Cars, M2M, Industry 4.0 etc. Because of its ability to communicate to long…

This comprehensive guide shows you how to interface the HC-05 Bluetooth module with the ESP8266 NodeMCU using Arduino IDE.…

Self-driving cars and connected vehicles, is sure to change the way we commute in the future. Today companies like Tesla are…

Modbus is a Serial Communication protocol which was discovered by Modicon in 1979 and it is used for transmitting data over…

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

Digital wall Clocks are getting more popular now days and they are better than analog clock as it provides accurate time in…

In some applications, user input is required to control the functions of a device. There are different kinds of user input…