Description: The main chip for the CP2102, install the driver to generate a virtual serial port USB power, with 3.3V and 5V voltage two power output, leads to all useful pins With self-recovery fuse. In the event of an unexpected short circuit, can effectively protect your downloader and computer USB port The on-board status indicator, send and receive indicators, the correct installation of the drive status indicator will be lit, send and receive lights in the communication will flash, the higher the baud rate lower brightness Support from 300bps ~ 1Mbps baud rate Communication format support: 1) 5,6,7,8 bit data bits; 2) support 1,1.5,2 stop bits; 3) odd, even, mark, space, none check Support the operating system: windows 1 / 7 / vista / xp / 98, Mac OS-X / OS-9, Linux 8, USB head for the male, can be directly connected to the computer USB port SMD components for the SMT production process, quality and stability With reset signal output, you can directly to and other Arduino motherboard download program! Specification: Size(without USB): Approx. 15.5x26.5mm / 0.61x1.04inch Package Includes:(4 Pack) 1 Piece of Serial Adapter Module