Description Funduino Nano Expansion BoardThis Nano Mult Function expansion board is designed specially for Nano solve the problem of wiring confusing when a variety of sensors connected Lead out all digital IO port and analog IO port each one with standard positive and negative power interface Lead out the I2C interface of mainboard for convenient connection Increasing the DC power supply interface Nano USB interface supply current is actually only 50MA to bring high current devices such as the steering is obviously insufficient So in the DC power connector provide external power supply to ensure the stability of equipment operation ATmega328P Nano V3 Improved VersionMicrocontroller 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 WIN8This version is no welding and not included the USB cable Package included 1 x Funduino Nano Expansion Board1 x No welding Compatible Nano V3 0 Board