arduino nano v3

Specifications:
Microcontroller: Atmel ATmega328
Operating Voltage (logic level): 5 V
Input Voltage (recommended): 7-12 V
Input Voltage (limits): 6-20 V
Digital I/O Pins: 14 (of which 6 provide PWM output)
Analog Input Pins: 8
DC Current per I/O Pin: 40 mA
Flash Memory: 32 KB (of which 2KB used by bootloader)
SRAM: 2 KB
EEPROM: 1 KB
Clock Speed: 16 MHz
Dimensions: 0.70" x 1.70"

Further information, please feel free to contact us at sales@lankeda.com  
Or visit our website: www.3dprint.en.alibaba.com  and www.lankeda.com