CH340G Replace FT232RL
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

Expansion Board Terminal Adapter DIY Kits for Arduino NANO IO Shield V1.0It
Expands for Arduino Nano controller to link those devices in a simple and trouble free manner
Designed to facilitate an easy connection between Expansion Shield For Arduino Nano and many other devices