90+ Arduino Projects, Tutorials and Guides

The Arduino is a microcontroller board that you can program to read information from the world around you and to send commands to the outside world (inputs and outputs). The Arduino is a great tool to start into electronics and programming and it is used worldwide by makers, students and even engineers.
Get started with Arduino: we have more than 90 free Arduino Tutorials and Project ideas and a premium eBook with 25 great projects: Arduino Step-by-step Projects. Using the next quick links, you’ll find all our Arduino Guides with easy to follow step-by-step instructions, circuit schematics, source code, images and videos.
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Arduino Modules

Arduino Relay Module

Arduino WS2812B

Arduino IR Receiver

Arduino Reed Switch

Arduino Ultrasonic Sensor

Arduino SD Card

Arduino Fingerprint Sensor

Arduino RFID MFRC522

Arduino Membrane Keypad

Arduino PIR

Arduino DC Motor

Arduino RTC

Arduino Sensors

Arduino DHT11/DHT22

Arduino BME280

Arduino BMP180

Arduino BME680

Arduino DS18B20

Arduino LM35 Sensor

Arduino Tilt Sensor

Arduino Microphone

Arduino Color Sensor

Arduino Rain Sensor

Arduino Soil Moisture Sensor

Arduino Gas/Smoke Sensor

Arduino MPU-6050

Arduino I2C Multiplexer

Arduino Displays

Arduino OLED

Arduino LCD

Arduino 8×8 Dot Matrix

Arduino Nextion Display

Arduino TFT Display

Arduino Nokia 5110

Arduino Connectivity

Arduino Web Server

Arduino Ethernet Web Server

Arduino SIM900 GSM

Arduino SMS Control Output

Arduino SMS Receive Data

Arduino NEO-6M GPS

Arduino nRF24L01

Arduino RF 433 MHz

Decode RF Signals

Arduino Projects

Arduino Temperature Datalogger

Arduino Night Lamp

Arduino Attendance System

Arduino Memory Game

Android App RGB LED

Android App Voice Control

Useful Guides

Arduino Getting Started

MIT App Inventor 2

Arduino Daily Tasks

Arduino EEPROM

Arduino Delay vs Timer

Arduino Sensors Comparison

Arduino Modules and Sensors

Arduino Biometric Sensors

Best Arduino Shields

Best Arduino Temperature Sensor

Best Arduino Displays

Best Arduino Books

Best Arduino Starter Kit

Learn More

Learn ESP32

Learn ESP8266

Learn ESP32-CAM

Learn MicroPython

Learn Arduino

Android Apps for Arduino eBook

Arduino Projects eBook

Arduino Modules

Arduino Relay Module

Arduino WS2812B

Arduino IR Receiver

Arduino Reed Switch

Arduino Ultrasonic Sensor

Arduino SD Card

Arduino Fingerprint Sensor

Arduino RFID MFRC522

Arduino Membrane Keypad

Arduino PIR

Arduino DC Motor

Arduino RTC

Arduino Sensors

Arduino DHT11/DHT22

Arduino BME280

Arduino BMP180

Arduino BME680

Arduino DS18B20

Arduino LM35 Sensor

Arduino Tilt Sensor

Arduino Microphone

Arduino Color Sensor

Arduino Rain Sensor

Arduino Soil Moisture Sensor

Arduino Gas/Smoke Sensor

Arduino MPU-6050

Arduino I2C Multiplexer

Arduino Displays

Arduino OLED

Arduino LCD

Arduino 8×8 Dot Matrix

Arduino Nextion Display

Arduino TFT Display

Arduino Nokia 5110

Arduino Connectivity

Arduino Web Server

Arduino Ethernet Web Server

Arduino SIM900 GSM

Arduino SMS Control Output

Arduino SMS Receive Data

Arduino NEO-6M GPS

Arduino nRF24L01

Arduino RF 433 MHz

Decode RF Signals

Arduino Projects

Arduino Temperature Datalogger

Arduino Night Lamp

Arduino Attendance System

Arduino Memory Game

Android App RGB LED

Android App Voice Control

Useful Guides

Arduino Getting Started

MIT App Inventor 2

Arduino Daily Tasks

Arduino EEPROM

Arduino Delay vs Timer

Arduino Sensors Comparison

Arduino Modules and Sensors

Arduino Biometric Sensors

Best Arduino Shields

Best Arduino Temperature Sensor

Best Arduino Displays

Best Arduino Books

Best Arduino Starter Kit

Learn More

Learn ESP32

Learn ESP8266

Learn ESP32-CAM

Learn MicroPython

Learn Arduino

Android Apps for Arduino eBook

Arduino Projects eBook
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Android Apps For Arduino with MIT App Inventor 2

Android Apps for Arduino with MIT App Inventor 2 is a practical course in which you’re going to build 8 Android applications to interact with the Arduino.
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Arduino Step-by-step Projects - Build 25 Projects

This Arduino Course is a compilation of 25 projects divided in 5 Modules that you can build by following clear step-by-step instructions with schematics and downloadable code.
DOWNLOAD NOW »

About Random Nerd Tutorials

Random Nerd Tutorials is an online resource with electronics projects, tutorials and reviews. Creating and posting new projects takes a lot of time. At this moment, Random Nerd Tutorials has approximately 700 free blog posts with complete tutorials using open source hardware and software that anyone can read, remix and apply to their own projects. To keep free tutorials coming, there’s also paid content or what I call “Premium Content”. To support Random Nerd Tutorials you can get Premium Content above.