GitHub - pavel-a/usb-relay-hid: Software for USB-connected relays with HID interface. See the WIKI for more info.
8 Channel USB Relay Module | Numato Lab Help Center
Freies stick/usb Control Schalter 1 kanal 5V Relais Modul Computer Control Schalter PC Intelligente Steuerung Für Arduino|relay module|switch pccontrole usb - AliExpress
Control AC bulb with USB Relay module using windows PowerShell Command line - YouTube