4 ports Isolated USB - UART Converter with USB-C from DUPPA on Tindie
USB UART 2 click - provides USB isolation | MikroElektronika
Isolated USB to TTL UART RS232 – DuPPa
FT232RL Magnetically Isolated USB to TTL UART Level 1.8v 2.5v 3v3 5v Serial Port
Isolated USB - UART Converter for Arduino pro mini from DUPPA on Tindie
Amazon.com: USB to RS232 / RS485 / TTL (UART) Industrial Isolated Converter with Original FT232RL Inside Aluminium Alloy Enclosure Power/ADI Magnetical Isolation,TVS Diode : Electronics
Amazon.com: DSD TECH SH-U09C3 Isolated USB to TTL Adapter Featuring FTDI FT232RL IC : Electronics
iConnectivity : USB TO UART CONVERTER ISOLATED MODULE
UC-3100P Isolated USB to UART Convertor 1Mbps RS-232 RS-485 RS-422 DB9 For Arduino Android Windows Linux Mac OS 3750V All in one - Price history & Review | AliExpress Seller - INHAOS
USB TO RS232 / RS485 / TTL Industrial Isolated Converter - PiShop.us
UC-3100P Isolated USB to UART TTL converter USB to RS-232