Amazon.com: USB to TTL Adapter, USB to Serial Converter for Development Projects - Featuring Genuine FTDI USB UART IC 'FT232RL' : Electronics
Amazon.com: DTech USB to TTL Serial Adapter 3.3V Debug Cable TX RX Signal 4 Pin Female Socket PL2303 Prolific Chip Windows 10 8 7 XP Vista (3ft, Black) : Electronics
Amazon.com: Green-utech FTDI chip USB to 5v TTL UART Serial Cable, Connector end, 1.8m, TTL-232R-5V Compatible : Electronics
TTL-232R-5V - FTDI
SBC-TTL USB-TTL interface based on the widely used CH340G
CH340 USB to TTL Converter UART Module CH340G (3.3 V/5.5 V) | Elektor
Amazon.com: USB to TTL Serial 3.3V UART Converter Cable with FTDI Chip Terminated by 6 Way Header, Works with Galileo Gen2 Boards/BeagleBone Black/Minnowboard Max and More : Electronics