Dewetron DAQP-DMM Isolated high voltage module - TESTED

OKI-78SR-5/1.5-W36H-C, Murata, Non-Isolated DC-DC Converter, 5Vdc Out, 12Vdc In

Isolated USB to TTL USB-C to Serial Port UART Module Download Line Upgrade8343

USB to RS485/422 Rail-Type Industrial Isolated Converter FT232/SP485 Chip5781

CH343 Isolated USB to TTL Serial Isolation Communication 6Mbps Downloader Module

PS2506-4 Package:DIP-16,HIGH ISOLATION VOLTAGE AC INPUT,

HLK-5M05 5W 1A AC-DC 220V to 5V Compact Isolated Power Supply Switch Module UK

DC 5V-80V FET Optocoupler Isolated Pulse Trigger Switch Module Control Board