Arduino Uno R3 (China) is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It features the Atmega16U2 programmed as a USB-to-serial converter. 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 package contains:
Arduino Uno R3(China) X 1
USB Programming Cable X 1
3D Case for Arduino (Click here)
Shields (Click here)
Arduino Uno PLUS, Improved Uno (Click here)
Sanguino TSB (Click here), with lifetime service warranty.