USB Relay Boards
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USB Relay Module 4 Channels – v2
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USB Four(4) Relay Output Module
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USB 4 Relay module – thermoregulator with sensor TCN75A
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USB 8 Channel Relay Board
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USB 16 Channel Relay Board – Virtual COM (Serial) Port
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USB 16 Relay Board PCB – ModBus RTU, Timers
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USB 16 Channel Relay Module, DIN Rail BOX – Virtual COM (Serial) Port
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USB 16 Relay Module – Mod Bus RTU, Timers, DIN RAIL BOX
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