3pcs Geekcreit ATmega328P Nano V3 Controller Board For Arduino NANO V3.0 328P Development Board ATMEGA328P MCU C Atmega328p Nano V3.0 Development Board With Mini Atmega328pb Micro 3pcs Geekcreit ATmega328P Nano V3 Controller Board For Arduino. Specification: Microcontroller ATmega328 Operating Voltage (logic level): 5V Input Voltage (recommended): 7V ~ 12V Input Voltage (limits): 6V ~ 20 V Digital I O Pins: 14 (of which 6 provide PWM output) Analog Input Pins: 8 DC Current per I O Pin: 40mA Flash Memory: 32KB (ATmega328) (of which 2 KB used by bootloader) SRAM: 2KB (ATmega328) EEPROM: 1KB (ATmega328) Clock Speed: 16MHz Chip: CH340C G Random delivery??(CH340B is the update version of CH340G, CH340B comes with crystal, but CH340G doesn't) Note: Improved USB chip for speed and stability using WIN7 WIN8. This version comes with the pin headers unsoldered and not included the USB cable. Package included: 1 x No welding Compatible Nano V3. 0 Board*Note: Joint product & Provided by Banggood and Newchic.