USB to RS232 / RS485 / TTL Industrial Isolated Converter - RobotShop
Isolated USB - UART Converter for Arduino pro mini from DUPPA on Tindie
Isolated USB Serial Bridge - Circuit Cellar
USB UART 2 click - provides USB isolation | MikroElektronika
Isolated 4 port USB to TTL UART – DuPPa
Debug Board USB to RS232 Isolated Serial Converter from DUPPA on Tindie
Isolated TTL Serial to USB 2.0 Converter - Barbouri's Electronics Projects
Isolated USB to UART Converter for Arduino pro mini by Simone — Kickstarter
UC 3100P Isolated USB to UART Convertor 1Mbps RS-232 RS-485 RS-422 For Arduino | eBay
USB to RS232 Opto-Isolated Converter | Black Box
Isolated USB to TTL UART RS232 – DuPPa
Amazon.com: waveshare USB to RS232/485/TTL(UART) Industrial Isolated Converter with Original FT232RL Inside and Power Isolation ADI Magnetical Isolation TVS Diode Protection Circuit Aluminium Alloy Enclosure : Electronics
4 ports Isolated USB - UART Converter with USB-C from DUPPA on Tindie
Amazon.com: DSD TECH SH-U09C3 Isolated USB to TTL Adapter Featuring FTDI FT232RL IC : Electronics
USB TO RS232 / RS485 / TTL Industrial Isolated Converter - PiShop.us
USB UART 2 click - provides USB isolation | MikroElektronika
MCP2200 ISOLATED USB TO UART DEMO BOARD | Microchip Technology