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1 Channel USB Relay 5V Programmable Computer Control For Smart Home 1CH Module Board
12V USB Relay 8 CH Channel Programmable Computer Control For Smart Hom – diymore
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KMtronic Ltd: USB Relay Controller Two Channel
USB Module - 8 Relays
TOSR140 - 4 Channel USB Relay - (Password/Momentary/Latching)
USB Relay Controller Board - 4 Channels for Home Automation
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USB Relay 16-Channel 3-Amp DPDT with UXP Port: Relay Pros
Amazon.com: USB Relay,8 Channel 12VDC Type B USB Relay Board Module Controller for Automation Robotics : Industrial & Scientific
8-channel 12V USB Relay Module | SainSmart – SainSmart.com
USB 4 Relay controller - thermoregulator with sensor TCN75A
USB Relay Board - High Power USB Relays for Industrial Applications
USB Eight Channel Relay Board for Automation
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USB Relay Module – 4/8 Channels | USB Digital Output Module
