USB Relay Module – 4/8 Channels | USB Digital Output Module
5V USB 4 Channel Automation Relay Computer Control for Arduino – diymore
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4 Channel 24V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control
USB 4 Relay Board for Home Automation - v2
USB Relay Board - High Power USB Relays for Industrial Applications
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TOSR140 - 4 Channel USB Relay - (Password/Momentary/Latching)
SainSmart 4-channel 5V USB Relay Module for Automation Robotics – SainSmart.com
KMtronic Ltd: USB Four(4) Relay Controller
TONKBEEY Relay Module Relay Control Panel with Indicator 4 Way Relay Output USB Interface - Walmart.com
Devantech USB-RLY04 - 4 x 16A USB relay | Acroname
ICStation MICRO USB 5V 4-Channel Relay Module USB Control Relay Module ICSE012A - Relay Module - Arduino, Robotics, Raspberry Pi, ESP8266, Learning DIY, Development board ICStation
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NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug and Play Suitable for PC Smart Controller: Amazon.com: Industrial & Scientific
TOSR140 - 4 Channel USB Relay - (Password/Momentary/Latching)
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
8-channel 12V USB Relay Module | SainSmart – SainSmart.com
USB Relay Controller Board - 4 Channels for Home Automation
USB Relay for Windows, Mac, and Linux - Industrial Grade
USB Relay 4 Channel Board v2 Programmable PC Computer Control For Smart Home | eBay
5V USB 4 Channel Automation Relay Computer Control for Arduino – Aideepen
8 Channel USB Relay Module
USB Relay
4-Channel USB Relay Board with 6-Channel A/D Interface
