USB to 5v TTL Cable Ftdi Ttl-232r-5v Cable Ft232rl Usb Ttl 5v Cable, Compatible Ttl-232r-5v-we Cable The Cable provides a USB to TTL Serial interface to 6 cores end Single board USB to asynchronous serial data transfer interface Utilizes newest FTDI FT232RL chip, +5V output allows external logic to be powered from the USB port Red-VCC(5V), Orange -TX, Yellow-RX, Black-GND, Brown-CTS, Green-RTS OS Compatibility:Windows 98, Me, XP, 2000, 2003, CE, Vista, Windows 7, and Windows 8 as well as Linux and Mac OS 10.X