Numato 4 Channel USB Relay Module, External Power Supply | AltonaLab
1 Channel USB Powered Relay Module
USB 16 Channel Relay Module - RS232 Controlled
5v 8 Channel Ch340 Usb Relay Control Switch Programmable Computer Control For Smart Home Pc Intelligent Controller - Relays - AliExpress
Yocto-PowerRelay-V3
Tether Tools ONsite Relay A Camera Power System — Color Confidence
USB-RLY08B - 8 channel USB relay
4 Channel USB Powered Relay Module With GPIO | Numato Lab
Wireless 5V Relay Module
USB-Relays
5V-30V Delay Relay Timer Module Trigger Delay Switch Micro USB Power A – Sunhokey Electronics Co., Ltd
Devantech 8 Channel USB Relay Module | Acroname
Custom Firmware Teaches USB Relay Board New Tricks | Hackaday
USB Relay
USB Relay Board - 8 Way - 30A High Power - Micro Robotics
Relay module with USB-interface
USB PowerControl board V2 w/Grove Control - USB to USB solid state rel – SwitchDoc Labs
USB 16 Channel Relay Module for Automation, DIN Rail BOX - Virtual COM (Serial) Port - Denkovi A E LTD
Devantech 8 Channel 16A USB Relay Module | Acroname
USB Relay Module – 4/8 Channels | USB Digital Output Module
How to switch high-power devices from USB
USB Relay for Windows, Mac, and Linux - Industrial Grade
8-channel 12V USB Relay Module | SainSmart – SainSmart.com
4 Channel USB Powered Relay Module With GPIO | Numato Lab
