CH340G Atmega328 Atmega328-AU Micro Controlelr Module 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 Atmega328 MU/ Atmega328 AU 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 Atmega328P-AU and Atmega328P-MU Chip is same function Can use as replacement of FT232RL CCS-3190 We specialize in electronics, computer, cell phone accessories Pick up Name: "Cable Link" Tel: 613-680-6188