RT04007 TTL-232R-3V3-WE Ftdi Cable Usb-Ttl Ser Conv Wire-End 3V3
The TTL-232R-3V3-WE from FTDI is an USB to UART cable with +3.3V TTL level UART signals. It incorporates FTDI's FT232RQ USB to serial UART interface IC which handles all the USB signalling and protocols.