Specification:

Microcontroller Atmel ATmega328

Operating Voltage (logic level): 5V

Input Voltage (recommended): 7V ~ 12V

Input Voltage (limits): 6V ~ 20 V

Digital I/O Pins: 14 (of which 6 provide PWM output)

Analog Input Pins: 8

DC Current per I/O Pin: 40mA

Flash Memory: 32KB (ATmega328) (of which 2 KB used by bootloader)

SRAM: 2KB (ATmega328)

EEPROM: 1KB (ATmega328)

Clock Speed: 16MHz

Note:

This version does not included the USB cable.

Had changes to the USB chip, improves the download speed and stability of WIN7/WIN8