ITEM NAME:USB Nano V3.0 ATmega328 16M 5V Micro-controller CH340G board For Arduino A1T4 USB Nano V3.0 ATmega328 16M 5V Micro-controller CH340G board For Arduino A1T4 O8M4 T1V1 Operating Voltage(logic level): 5V 8 analog inputs ports: A0 ~ A7 14 Digital input / output ports: TX,RX,D2 ~ D13 6 PWM ports: D3, D5, D6, D9, D10, D11 1 pairs of TTL level serial transceiver ports RX / TX Using Atmel Atmega328P-AU MCU There is bootloader installed in it Support USB download and Power Support for external 5V ~ 12V DC power supply Support power supply by 9V battery color: blue Material: plastic, metal Package Contents: 1 x USB Nano V3.0 ATmega328 16M 5V Micro-controller CH340G board For Arduino