TSRU430- 4 Channel 30A USB Relay Board
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 4 Relay Board for Home Automation - v2
USB Relay Board - High Power USB Relays for Industrial Applications
KMtronic Ltd: USB Four(4) Relay Controller
TOSR04 - 4 Channel USB/Wireless 5V Relay Module
Relay Boards With I/O :: 8 Channel USB Relay Board W/ISO Input Port and DC Power Terminal Block
SainSmart 4-channel 5V USB Relay Module for Automation Robotics – SainSmart.com
32 Channel USB Relay Module, External Power Supply
2pcs USB Relay Module 2 Channels DC 5V Computer Control Switch Driver PC Intelligent Controller Board for Smart Home PLC| | - AliExpress
12V USB Relay Board 8-Channel 12VDC Type-B USB Relay Board Module Controller for Automation Robotics - Walmart.com
USB Relay for Windows, Mac, and Linux - Industrial Grade
LYUMO Type-B USB Relay Board, Durable 8-Channel 8-Channel USB Relay, Controller Module Controller Relay Board For Automation Robotics Robot Automation - Walmart.com
4-Channel USB Relay Board with 6-Channel A/D Interface
2 Channel USB Relay Module
Amazon.com: SainSmart 16-Channel 9-36V USB Relay Module : Automotive
USB Relay Controller with 6-Channel I/O - DEV-09669 - SparkFun Electronics
1 Channel USB Powered Solid State Relay Module | Numato Lab
Drive Control Board Switch | Usb Relay Module - Relay Module 2 Channel 5v Control - Aliexpress
usb relay controller
Numato 16 Channel USB Relay , External Power Supply - AltonaLab
usb relay controller
