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16 Channel USB Relay Module With GPIO And Inputs | Numato Lab
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Relay Boards With I/O :: 8 Channel USB Relay Board W/ISO Input Port and DC Power Terminal Block
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Devantech 8 Channel 16A USB Relay Module | Acroname
1 Channel USB Powered Solid State Relay Module | Numato Lab
USB Eight Channel Relay Board for Automation
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USB Relay Controller with 6-Channel I/O - DEV-09669 - SparkFun Electronics
USB Relay Controller Board - 4 Channels for Home Automation
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32 Channel USB Relay Module, External Power Supply
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12V USB Relay Board 8-Channel 12VDC Type-B USB Relay Board Module Controller for Automation Robotics - Walmart.com
USB 4 Relay Board for Home Automation - v2
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8 Channel USB Relay Module
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