Arduino Uno share the same components, characteristics and quality of manufacturing. They are actually the same board under a different brand. Depending on the area of the world where you live you’ll be able to purchase an Arduino Uno or a Genuino Uno. Learn more.
Uno Rev3 is a microcontroller board based on the ATmega328P, an 8-bit microcontroller with 32KB of Flash memory and 2KB of RAM. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. The Uno board is the first in a series of USB boards and it is the reference model for the Genuino platform; for an extensive list of current, past or outdated boards see the Comparison Page.
The Uno is open-source hardware! These are the relevant files:
Schematics – Reference Design – Board size
If you want more information about programming the Genuino Uno or how to interface hardware with it, please go to the Product Page. Genuino Uno Rev3 is programmed, as all the other Genuino boards with theSoftware (IDE) that you can download for free. To find inspiration forwhat you can do with the Genuino Uno, please visit the Genuino.cc Tutorials Page or take part in the community the lively discussions on the Forum.