2-Channel USB Controlled 10A / 230V Relay Module | Arduino, DIY \ Relay & Mosfet Modules \ Electromechanical Relay Modules
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USB Relay Board - High Power USB Relays for Industrial Applications
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USB Relay Controller Board - 4 Channels for Home Automation
TOSR04 - 4 Channel USB/Wireless 5V Relay Module
12V 8-Channel USB Control Switch Computer Free Driver Relay Module PCB Board 813509798992 | eBay
