RL80001 Numato Lab | Relays | DigiKey Marketplace
SainSmart 4-channel 5V USB Relay Module for Automation Robotics – SainSmart.com
Devantech 6 x 16A USB Relay Board USB-RLY06 - RobotShop
Amazon.com: SainSmart USB Eight Channel Relay Board for Automation - 12 V : Industrial & Scientific
USB Relay Controller - Four Channel
IU-4RD 4 Channel USB Relay & DAQ Board - Arnin Automatica
Smart Home 5V USB Relay 4 Channel Programmable Computer Control Board - v2 | eBay
DC 5V USB Relay 2 Channel Programmable Computer Control Power Supply Module for Smart Home Controller Relay Board 250V 10A: Amazon.com: Industrial & Scientific
8-channel 12V USB Relay Module | SainSmart – SainSmart.com
USB Relay Board - High Power USB Relays for Industrial Applications
USB 4 Relay Board for Home Automation - v2
Amazon.com: USB Relay,8 Channel 12VDC Type B USB Relay Board Module Controller for Automation Robotics : Industrial & Scientific
USB Eight Channel Relay Board for Automation
USB Relay Controller Board - 4 Channels for Home Automation
Amazon.com: 8-Channel 12V USB Relay Board, 8-Channel 12VDC Type-B USB Relay Board Module Controller for Automation Robotics : Electronics
USB Relay for Windows, Mac, and Linux - Industrial Grade
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USB Relay Controllers with On-Board Analog Inputs and GPIO for Sensors
2 Channel USB Relay Module
TOSR140 - 4 Channel USB Relay - (Password/Momentary/Latching)
4-Channel USB Relay Board with 6-Channel A/D Interface
USB Relay
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
DC 12V 8 Channel Relay Module USB Computer Control Board for Home Automation - Walmart.com
