Description NANO IO Shield Expansion Board This 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 Improved VersionChange the USB chip improve the download speed and stability of WIN7 WIN8Note Need to install CH341SER driver here is the link Click here to openMicrocontroller 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 16MHzPackage included 1 x Compatible Improved Version Nano V3 0 with USB cable1 x NANO IO Shield Expansion Board