Specifications: The FT232R serves as a USB to serial UART interface. It features RXD/TXD transceiver communication indicators. It is equipped with over-current protection through a 500mA self-resetting fuse. This board has a DTR pin necessary for auto-reset during device downloads. It is compatible with Win95/98/98se/ME/2000/XP/win7 32bit 64bit /Vista/ Win8. Pin assignments include: DTR, RXD, TXD, VCC, CTS, GND. Colors available: Red, Blue. USB power supply options: 3.3V or 5V.