The Arduino Uno is the main board of Arduino technology and is recommended for starting learning with electronics and programming. The Uno model of the Arduino family is the most widespread and is compatible with a variety of sensors and expansions.
Version 3 (Rev3) is the latest version available and is fully compatible with both new and old expansion boards.
The Arduino Uno Rev3 is based on the ATmega328 microcontroller from Atmel. It is a complete board that contains everything needed to be programmed and operated by connecting it to a simple USB cable to your computer or with a power supply to the socket. It can also operate with a simple battery. In detail, the board has 14 digital inputs or outputs (6 of which can be used as PWM outputs), 6 analog inputs, 1 USB port (type B) for programming and powering the board, 1 power input that can be used alternatively for power supply from a socket power supply or from a simple battery, 1 ICSP socket, and finally a reset button for the board. The microcontroller is synchronized at 16 megacycles (16MHz Crystal). This version of the Arduino Uno has a detachable microcontroller (DIP Version) and allows you to experiment as many times as you want without fear of burning the controller, as you can replace it with a new one at a low cost.
The Flash memory of the Arduino Uno, where you can store your program (sketch), is 32KB, capable of accepting most simple programs. If it is not enough for you, you can choose a larger Arduino board such as the Arduino Mega 2560.
The Arduino Uno operates with a 5V DC power supply from the USB input or with 9V/12V DC from the power supply input without the risk of electric shock.
UNO in Italian means ONE, and that is why the Arduino company gave its name to this board, which was the first of the Arduino family to have direct communication with the computer via a USB port in collaboration with the Arduino 1.0 program (IDE 1.0).
The package includes only the basic Uno board. You can find USB cables, 12V power supplies, and anything else you need for your project in our catalog.