NANO IO Shield Expansion Board + ATmega328P Nano V3 Controller ForDescription:NANO IO Shield Expansion BoardThis is a small simple Nano extension board, it will be the Nano all pins of derivation, convenient connection and we do the experimentATmega328P Nano V3 ControllerMicrocontroller ATmega328Operating Voltage (logic level): 5VInput Voltage (recommended): 7V ~ 12VInput Voltage (limits): 6V ~ 20 VDigital I/O Pins: 14 (of which 6 provide PWM output)Analog Input Pins: 8DC Current per I/O Pin: 40mAFlash Memory: 32KB (ATmega328) (of which 2 KB used by bootloader)SRAM: 2KB (ATmega328)EEPROM: 1KB (ATmega328)Clock Speed: 16MHzNote:Have changed the USB chip, can improve the download speed and stability of WIN7/WIN8,This version is no welding and not included the USB cable.Package included:1 x No welding Compatible Nano V3.0 Board1 xNANO IO Shield Expansion Board