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16 Channel USB Relay Module
URMC16 16 Channel USB Relay Module is great for controlling your devic
Starts at $100.99
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32 Channel USB Relay (DPST) Module
Numato Lab 32 Channel USB Relay (DPST) Module is great for controlling
Starts at $299.95
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32 Channel USB Relay Module
URMC32 32 Channel USB Relay Module is great for controlling your devic
Starts at $186.99
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4 Channel USB Relay Module
URMC4 4 Channel USB Relay Module is great for controlling your devices
Starts at $50.99
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