ITEM NAME:CP2102 Micro USB To UART TTL Module 6 Pin Serial Converter STC For Arduino FT.Original CP2102 chip, install the driver to generate COM port. Connotation 512 byte receive buffer and 512 byte transmit buffer. Contains power-on reset circuit. On-board status indicator, send and receive indicators, the correct installation of the status LED will be lit after the drive, send and receive indicator light will flash in communication, with running LED.