Description: 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 Support ISP download IDE of arduino Download link : http://arduino.cc/en/Main/Software Package Includes: 1x Module