Adafruit USB Isolator - 100mA Isolated Low/Full Speed USB : ID 2107 : $34.95 : Adafruit Industries, Unique & fun DIY electronics and kits
USB to 4 Optically Isolated Inputs/4 Form C Relay Outputs Digital Interface Adapter - Sealevel
USB-ISOLATOR - Single Port USB Isolator - ACCES I/O Products
/i/71802/products/2017-05-30T20%3A35%3A51.447Z-OptoUSB-177-4000px.JPG?1606306133 "Optically Isolated USB-FTDI Interface (OPTOUSB) from Land Boards, LLC on Tindie")
Optically Isolated USB-FTDI Interface (OPTOUSB) from Land Boards, LLC on Tindie
4 Port USB to Quad RS-422 485 Optically Isolated Adapter - Coolgear
Amazon.com: COMMFRONT Industrial Opto-Isolated USB to RS232 / RS485 / RS422 Converter, 2500V Optical Isolation, 600W Surge and 15kV ESD Static Protection, DIN-Rail/Wall/Panel Mount : Electronics
Amazon.com: COMMFRONT Industrial Opto-Isolated USB to RS232 / RS485 / RS422 Converter, 2500V Optical Isolation, 600W Surge and 15kV ESD Static Protection, DIN-Rail/Wall/Panel Mount : Electronics
USB to 32 Optically Isolated Inputs Module - Sealevel
Optically Isolated Usb To Serial Port 5v3.3v2.5v1.8v Optically Isolated Usb To Ttl Serial Port Ch340 Uart - Integrated Circuits - AliExpress
2-Port Industrial USB 2.0 to RS-422 / 485 Optical Isolated Adapter - Coolgear
USB to 32 Optically Isolated Inputs Module - Sealevel
Optically Isolated Usb To Rs485/422/232 Interface Industrial Grade Lightning Protection Usb To Serial Converter - Switch Caps - AliExpress
Amazon.com: High-Speed Isolation USB to TTL Serial Module Power Isolation Optocoupler Isolation 3.3V 5V TTL Output : Electronics
Black Box USB to RS232 Opto-Isolated Converter – Natix
Fluke OC4USB USB Interface Cable | Fluke
USB to RS485 Isolated adapter / converter
USB to Optical Adapter Industrial Isolated RS-232/422/485 - Coolgear
Amazon.com: Black Box USB to RS232 Opto-Isolated Converter : Electronics
USB to RS485 Isolated adapter / converter
USB to RS485 Isolated adapter / converter
USB to RS485 | RS422 Optically Isolated Industrial Serial Adapter
USB to 32 Optically Isolated Inputs Digital Interface Adapter - Sealevel
Optically Isolated USB-FTDI Interface (OPTOUSB) from Land Boards, LLC on Tindie
SC-USB: Optically Isolated USB Interface
USB to RS485 | RS422 Optically Isolated Industrial Serial Adapter
USB-OPTO-RLY816 - ROS Components
USB 8 Opto-Isolated Digital Inputs Module - Denkovi A E LTD
