USB 4 Relay controller - thermoregulator with sensor TCN75A
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USB Relay Module USB Intelligent Control Switch for LCUS-1 Type Electronic Converter - Walmart.com
USB Relay Controller - One Channel - PCB
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Amazon.com: NOYITO 1-Channel USB Relay Module USB Intelligent Control Switch USB Switch (1-Channel USB) : Electronics
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USB Relay 16-Channel 3-Amp DPDT with UXP Port: Relay Pros
Devantech 8 Channel USB Relay Module | Acroname
USB Relay Controller Board - 4 Channels for Home Automation
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USB 16 Channel Relay Module - RS232 Controlled
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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.com: Industrial & Scientific
Al (LC) LCUS - type 1 USB relay module USB intelligent switch control
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USB Relays with Analog Inputs and GPIO from NCD - ncd.io
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KMTronic USB 8 Channel Relay Board, RS232 Serial controlled | eBay
USB Relay Controller with 6-Channel I/O - DEV-09669 - SparkFun Electronics
