1 Channel USB Powered Solid State Relay Module | Numato Lab
32 Channel USB Relay Module (NU-RL320001)
Amazon.com: 8-Channel 12V USB Relay Board, 8-Channel 12VDC Type-B USB Relay Board Module Controller for Automation Robotics : Electronics
16 Channel USB Relay Module With GPIO And Inputs | Numato Lab
SainSmart 4-channel 5V USB Relay Module for Automation Robotics – SainSmart.com
1Ch 2Ch 4Ch 8Ch USB Relay 5V 12V Programmable Computer Control for Smart Home 1CH Module Board HID for XP 32 WIN7 250V 10A Relay - AliExpress
Amazon.com: SainSmart 16-Channel 9-36V USB Relay Module : Automotive
2 Channel USB Relay Module
Devantech 6 x 16A USB Relay Board USB-RLY06 - RobotShop
USB Relay
8-channel 12V USB Relay Module | SainSmart – SainSmart.com
4-Channel USB Relay Board with 6-Channel A/D Interface
Relay Boards With I/O :: 8 Channel USB Relay Board W/ISO Input Port and AC Adapter
USB 4 Relay controller - thermoregulator with sensor TCN75A
USB Relay for Windows, Mac, and Linux - Industrial Grade
DC 5V USB Relay 2 Channel Programmable Computer Control Power Supply Module for Smart Home Controller Relay Board 250V 10A: Amazon.com: Industrial & Scientific
Devantech 6 x 16A USB Relay Board USB-RLY06 - RobotShop
USB Relay Controller Board - 4 Channels for Home Automation
RL160001 Numato Lab | Relays | DigiKey Marketplace
USB Relay Controllers with On-Board Analog Inputs and GPIO for Sensors
4 Channel USB Relay Module_ Botland - Robotic Shop
USB Relay Controller - Four Channel
