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USB Relay Controller Board - 4 Channels for Home Automation
fosa 5V 16 Channel USB Relay Module Computer Switch Control, USB Control Switch with PCB Board/High Sensitivity Relays - Newegg.com
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8 Channel USB Solid State Relay Module With GPIO | Numato Lab
MICRO USB 5V 2/4/8 Channel USB Control Relay Module 1 Channel 5-30V Delay Relay | eBay
1-Channel USB Relay Module - 5V - ElectroPeak - ElectroPeak
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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
2-Channel 5V USB Controlled 10A / 230V Relay Module 2 | Arduino, DIY \ Relay & Mosfet Modules \ Electromechanical Relay Modules
USB Control Switch 2-Channel 5V Relay Module
8 Channel 5V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control
KMtronic Ltd: USB Relay Controller One Channel
Wholesale 2 Channel 5V Relay Module USB Control Switch 2 Way 5V Relay Module Computer Control Switch for Robotics Control Home automatic From m.alibaba.com
USB Relay Controller Board - 4 Channels for Home Automation
Relay Boards With I/O :: 8 Channel USB Relay Board W/ISO Input Port and DC Power Terminal Block
