Nano V3.0 AVR ATmega328 P-20AU Module Board Black Blue w USB Cable Dimensions (cm) 14.5 x 13.5 x 1.5 Weight (kg) 0.025 Microcontroller: Atmel Atmega328P-AU Analog Input Pins: 8 (A0~A7) Digital I/O Pins: 12 (D2~D13)