JBtek WINDOWS 8 Supported Debug Cable for Raspberry Pi USB Programming USB to TTL Serial Cable Connect to your micro controller, Raspberry Pi, WiFi router with ease The power pin provides 500mA directly from the USB port and the RX/TX pins are 3.3V level for interfacing with the most common 3.3V logic level chipsets Windows XP/Vista/7 & Windows 8 supported, MacOS X; PL2303 TA. drivers on your computer and connect with a terminal program at 115200 baud