UNO R3
The Arduino UNO is the best board to get started with electronics and coding. If this is your first experience tinkering with the platform, the UNO is the most robust board you can start playing with. The UNO is the most used and documented board of the whole Arduino family.
Essentials
First Steps
Quickstart Guide
All you need to know to get started with your new Arduino board.
Suggested Libraries
Wire
This library allows you to communicate with I2C / TWI devices.
SPI
The SPI library allows you to communicate with SPI devices, with the Arduino as the controller device.
Servo
The Servo library allows an Arduino board to control RC (hobby) servo motors.
Arduino Basics
Built-in Examples
Built-in Examples are sketches included in the Arduino IDE and demonstrate all basic Arduino commands.
Learn
Discover interesting articles, principles and techniques related to the Arduino ecosystem.
Language References
Arduino programming language can be divided in three main parts: functions, values (variables and constants), and structure.
Tutorials
Analog Input
Use a potentiometer to control the blinking of an LED.
Analog Read Serial
Read a potentiometer, print its state out to the Arduino Serial Monitor.
Blink
Turn an LED on and off every second.
Digital Read Serial
Read a switch, print the state out to the Arduino Serial Monitor.
Arduino Uno Board Anatomy
An overview of the classic Arduino UNO.
Overview of the Arduino UNO Components
An in-depth look at the classic Arduino UNO board.
Resources
Interactive Viewer
Interact with the schematics, the PCB and a 3D model of the product.
Open Viewer
Pinout Diagram
A diagram showing the functions and the arrangement of the pins on your product.
Open Diagram
Downloads