Nano V3.0 Expansion Shield UNO + ATmega328P Nano Board CH340G for Arduino

Arduino Nano IO Expansion Shield is specifically designed to facilitate an easy connection between Arduino Nano and many other devices. In essence, it expands the Arduino Nano controller to link those devices in a simple and trouble free manner. It is a perfect companion of Nano breadboard and compatible with both Arduino Nano v2.x and v3.x. 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 Support USB download and Power Support for external 5V ~ 12V DC power supply Support power supply by 9V battery   Specifications: Arduino Nano V3.0 compatible board Microcontroller ATmega328P There is bootloader installed in it Operating Voltage (logic level): 5 V Input Voltage (recommended): 7-12 V Input Voltage (limits): 6-20 V Digital I/O Pins  14 (of which 6 provide PWM output) Analog Input Pins: 8 Dimensions: 0.73" x 1.70" Length: 45 mm Width:  18 mm Weight: 5 g CH340G Mini USB   Package Included: 1 x Arduino Nano V3.0 compatible board 1 x Arduino Nano V3.0 expansion UNO sensor shield