ATmega328 Microcontroller Microcontroller ATmega328P-AU For Arduino for Nano V3.0 ATmega328P-AU Input Voltage (recommended) 7V-12V;Input Voltage (limits) 6V-20V Analog Input Pins 8 Operating Voltage 5V DC Current per I/O Pin 40 mA DC Current for 3.3V Pin 50 mA Digital I/O Pins 14 (of which 6 provide PWM output) Flash Memory 32 KB (ATmega328) of which 2 KB used by bootloader SRAM 2 KB;EEPROM 1 KB; Clock Speed 16 MHz Cable Length:245mm; Dimention: 45x17x19mm Package: 2 x for Nano V3.0 ATmega328P for Arduino Compatible Board 2 x Mini USB Cable

The program software runs perfectly,the module can be powered by USB connection, support external 5V ~ 12V DC power supply. It is a small and complete board that has all breadboard function, which takes up less space. Suitable for Nano card,Windows, Mac and Linux operating systems. Can be powered by Mini-B USB connection,7-12V regulated external power supply (pin 30) or 5V regulated external power supply (pin 27).The power supply is automatically selected as the highest voltage. Atmel atmega328p CH340 chip, support ISP download, support USB download and power supply.