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.

Arduino Displays

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 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-CAM

Learn MicroPython

Android Apps for Arduino eBook

Arduino Projects eBook

Guide for BMP388 Altimeter with Arduino Pressure Altitude Temperature

Guide for BMP388 Altimeter with Arduino (Pressure, Altitude, Temperature)

Arduino Board MPU6050 Module Accelerometer Gyroscope Temperature Sensor

Arduino Guide for MPU-6050 Accelerometer and Gyroscope Sensor

Arduino Board BME680 Gas sensor humidity barometric pressure ambient temperature gas air quality Arduino IDE

Guide for BME680 Environmental Sensor with Arduino (Gas, Temperature, Humidity, Pressure)

DHT11 vs DHT22 vs LM35 vs DS18B20 vs BME280 vs BMP180 Temperature Sensors

DHT11 vs DHT22 vs LM35 vs DS18B20 vs BME280 vs BMP180

9 Arduino Compatible Temperature Sensors for Your Electronics Projects

9 Arduino Compatible Temperature Sensors for Your Electronics Projects

LM35 LM35DZ LM34 LM335 Arduino board OLED temperature Celsius Fahrenheit readings

Guide for LM35, LM335 and LM34 Temperature Sensors with Arduino

Guide for BME280 Sensor with Arduino Pressure, Temperature, and Humidity

Guide for BME280 Sensor with Arduino (Pressure, Temperature, Humidity)

Guide for DS18B20 Temperature Sensor with Arduino

Guide for DS18B20 Temperature Sensor with Arduino

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 DC Motor

Arduino Sensors

Arduino DHT11/DHT22

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 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 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-CAM

Learn MicroPython

Android Apps for Arduino eBook

Arduino Projects eBook

How to Create .bin (binary) Files from Sketch on Arduino IDE

Guide for WS2812B Addressable RGB LED Strip with Arduino

Arduino – Control LEDs with IR Remote Control

Arduino Time Attendance System with RFID

Request Sensor Data via SMS using Arduino and SIM900 GSM Shield

Guide to SIM900 GSM GPRS Shield with Arduino

21 Arduino Modules You Can Buy For Less Than $2

Guide to Fingerprint Sensor Module with Arduino (FPM10A)

Guide to NEO-6M GPS Module with Arduino

Decode and Send 433 MHz RF Signals with Arduino

Nextion Display with Arduino – Getting Started

How To Do Daily Tasks with Arduino

Control a 12V Lamp via SMS with Arduino

Guide to 1.8 TFT Display with Arduino

Guide to SD Card Module with Arduino

Arduino Temperature Data Logger with SD Card Module

Arduino EEPROM Explained – Remember Last LED State

Getting Started with MIT App Inventor 2 and Arduino

Gesture Slider Swiper with Arduino

Build a Night Security Light with Arduino

Android App – RGB LED with Arduino and Bluetooth

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.

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.

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.