FT232 USB UART Scheda Interfaccia USB a UART Modulo Porta Seriale FT232RNL per

Uses FT232RNL, much more stable than products. Features: FT232 USB to TTL. Interface: UART. Serial port (TTL level): 5V/3.3V. 1x Serial Port Module. ther function PINs: reserved pads (provided with pin headers and sockets, can be plugged in or out to connect to the user system; PIN spacing supports insertion of a universal board).

eBay