LCUS-4 4 Channel USB Relay Module Smart Switch with Intellig_chinalctech
Amazon.com: SainSmart USB Eight Channel Relay Board for Automation - 12 V : Industrial & Scientific
USB Relay Controllers with On-Board Analog Inputs and GPIO for Sensors
USB-RLY08C - 8 channel USB relay - Controllers
Amazon.com: SainSmart 16-Channel 9-36V USB Relay Module : Automotive
diymore 8 Channel Relay Board Type B USB Programmable ULN2803 Relay Driver Chip for Arduino Smart Home DC 12V|usb relay|controller 12vcontroller programmable - AliExpress
8-channel 12V USB Relay Module | SainSmart – SainSmart.com
Amazon.com: Diyeeni 4-Channel 12V USB Control Switch Relay Module, Relay Board Computer Smart Switch Controller, PC Relay Module Expansion Board, Relay Board for Automation : Electronics
USB Relay Controller - Four Channel
4-Channel USB Relay Board with 6-Channel A/D Interface
16 Channel USB Relay Module With GPIO And Inputs | Numato Lab
32 Channel USB Relay Module
usb relay controller
USB-RLY08B - 8 channel USB relay
Suq 2 Channel USB Relay Module Programmable Computer Control For Smart Home DC 5V|relay module|usb relaycontroller programmable - AliExpress
Devantech 4 x 16A USB Relay Board USB-RLY04 - RobotShop
16 Channel USB Relay Module With GPIO And Inputs | Numato Lab
2 Channel 5V USB Relay Module | 10A 250V AC
USB Eight Channel Relay Board for Automation
USB Relay for Windows, Mac, and Linux - Industrial Grade
8 Channel USB Relay Module
