Arduino UNO SMD (Free Cable)

Operating Voltage: 5V

Input Voltage (recommended): 7-12V

Input Voltage (limits): 6-12V

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

Analog Input Pins: 6

DC Current per I/O Pin: 20 mA

DC Current for 3.3V Pin: 50 mA

Flash Memory: 32 KB (ATmega328P)

SRAM: 2 KB (ATmega328P)

EEPROM: 1 KB (ATmega328P)Clock Speed: 16 MHz

USB Interface: ATmega16U2 (on the board)

SMD package type: TQFP