The Board; Application Examples; Related Products; Ratings - Arduino UNO R3 Product Reference Manual

1 The Board

1.1 Application Examples

The UNO board is the flagship product of Arduino. Regardless if you are new to the world of electronics or will use
the UNO as a tool for education purposes or industry-related tasks.
First entry to electronics: If this is your first project within coding and electronics, get started with our most used
and documented board; Arduino UNO. It is equipped with the well-known ATmega328P processor, 14 digital
input/output pins, 6 analog inputs, USB connections, ICSP header and reset button. This board includes everything
you will need for a great first experience with Arduino.
Industry-standard development board: Using the Arduino UNO board in industries, there are a range of
companies using the UNO board as the brain for their PLC's.
Education purposes: Although the UNO board has been with us for about ten years, it is still widely used for
various education purposes and scientific projects. The board's high standard and top quality performance makes
it a great resource to capture real time from sensors and to trigger complex laboratory equipment to mention a
few examples.

1.2 Related Products

Starter Kit
Tinkerkit Braccio Robot
Example

2 Ratings

2.1 Recommended Operating Conditions

Symbol Description
Conservative thermal limits for the whole board:
NOTE: In extreme temperatures, EEPROM, voltage regulator, and the crystal oscillator, might not
work as expected due to the extreme temperature conditions
4 / 13 Arduino® UNO R3 / Rev. 01 - 25/11/2021
Arduino® UNO R3
Min Max
-40 °C (-40°F) 85 °C ( 185°F)