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USB 4 Relay Board for Home Automation - v2
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USB Relay Controller Board - 4 Channels for Home Automation
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USB 4 Relay controller - thermoregulator with sensor TCN75A
USB Eight Channel Relay Board for Automation
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diymore 8 Channel Relay Board Type B USB Programmable ULN2803 Relay Driver Chip for Arduino Smart Home DC 12V|usb relay|controller 12vcontroller programmable - AliExpress
