USB UART 2 click - provides USB isolation | MikroElektronika
ODM. WitMotion UART Convert USB to TTL RS485 RS232 and TTL to RS232 RS485 and RS232 to RS485 CP2102 3.3
FT232 USB UART Board (mini) FT232RL USB TO UART Converter with USB Mini Connector Supports Mac Linux Android Windows 7/8/8.1/10|mini linux board|usb tousb to uart - AliExpress