DescriptionOverviewThe Arduino Nano is a small, complete, and breadboard-friendly board based on the ATmega328 (Arduino Nano 3.x).Specifications:Microcontroller Atmel ATmega328Operating Voltage (logic level) 5 VInput Voltage (recommended) 7-12 VInput Voltage (limits) 6-20 VDigital I/O Pins 14 (of which 6 provide PWM output)Analog Input Pins 8DC Current per I/O Pin 40 mAFlash Memory 32 KB (ATmega328) of which 2 KB used by bootloaderSRAM 2 KB (ATmega328)EEPROM 1 KB (ATmega328)Clock Speed 16 MHzDimensions 0.73″ x 1.70″Length 45 mmWidth 18 mmWeigth 5 g