Product Review

The Arduino Uno R3 is a microcontroller board based on the ATmega328 (datasheet).

It has 14 digital input/output pins (of which 6 can be used as PWM outputs)
-6 analog inputs, a 16 MHz crystal oscillator
-USB connection, a power jack, an ICSP header
-Reset button
.
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 differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the Atmega8U2 programmed as a USB-to-serial converter.
"Uno" means one in Italian and is named to mark the upcoming release of Arduino 1.0. The Uno and version 1.0 will be the reference versions of Arduino, moving forward. The Uno is the latest in a series of USB Arduino boards.
Microcontroller ATmega328
- Operating Voltage:5V
- Input Voltage (recommended): 7-12V
- Input Voltage (limits): 6-20V
- Digital I/O Pins: 14 (of which 6 provide PWM output)
- Analog Input Pins: 6 DC Current per I/O Pin 40 mA DC Current for 3.3V Pin 50 mA
- Flash Memory: 32 KB of which 0.5 KB used by bootloader SRAM
- 2 KB EEPROM
- 1 KB Clock Speed
- 16 MHz.
Arduino Software (IDE) on your computer, according to its operating system.

- Windows
- Mac OS X
- Linux
What can I do with an Arduino or Genuino board?
If you are unsure on what your first project could be you can try the Arduino and Genuino Starter Kit, it will guide you from your very first steps with electronics into the world of interactive and sensing objects.
If you are looking for inspiration you can find a great variety of Tutorials on Arduino Project Hub.
Also arduino board can be used in Arduino Starter Kit