USB 4 Relay controller - thermoregulator with sensor TCN75A
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8 Channel USB Relay Module
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2 Channel USB Relay Module
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Devantech 8 Channel USB Relay Module | Acroname
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KMtronic Ltd: USB Relay Controller Two Channel
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USB Relay Controller - One Channel - PCB
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TypeC Interface LCUS-1 USB Relay Module USB Intelligent Control Switch Serial Port Relay - AliExpress
USB Relay Controller - One Channel with clips for DIN mount rail
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Devantech USB-RLY04 - 4 x 16A USB relay | Acroname
USB Relay Controller with 6-Channel I/O - DEV-09669 - SparkFun Electronics
