FTDI FT232R USB - TTL Serial Breakout Module Programmer - DIYElectronics
Amazon.com: HiLetgo FT232RL FTDI Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V FT232R Breakout FT232RL USB to Serial Mini USB to TTL Adapter Board for Arduino : Electronics
FTDI USB to TTL Serial Adapter - 3.3V and 5V – HobbyPCB
FTDI USB TTL Converter,FTDI FT232RL USB TO TTL Serial Converter
TTL-232RG-VREG1V8-WE - Ftdi - Smart Cable Assembly, USB to 1.8V TTL Converter, 3Mbaud
FTDI USB to TTL UART Adapter - Reliable SD cards for industrial Raspberry Pi