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DC 5V USB Relay 2 Channel Programmable Computer Control Power Supply Module for Smart Home Controller Relay Board 250V 10A : Amazon.ca: Industrial & Scientific
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2 Channel 5V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control
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2 Channel 5V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control
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DC 5V 2 Channel USB Relay Module Programmable Computer Control For Smart Home–OKY3024 – OKYSTAR
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2 Channel USB Relay Module With GPIO And Analog Inputs | Numato Lab