USB Relay Controller - One Channel - PCB
TSRU430- 4 Channel 30A USB Relay Board
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KMtronic Ltd: USB Relay Controller One Channel
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KMtronic Ltd: USB Relay Controller One Channel
Relay module 5V - 2 channels for Raspberry PI, Arduino, PIC,AVR
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USB Relay Controller Board - 4 Channels for Home Automation
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Dc 5v-32v 12v Ac 220v 4-way Relay Module Wireless Wifi Smart Switch Self-locking Interlock Remote Control Switch For Smart Home - Access Control Accessories - AliExpress
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8-channel 12V USB Relay Module | SainSmart – SainSmart.com
Usb Relay Module Pc control 220V/110v switch module Support Modbus ASCII/RTU - allinbest.com
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USB Relay Card;4 Relays/Relays 220V/USB Relay Board 3800159300108 | eBay
USB Relay Controller Board - 4 Channels for Home Automation
Smart Electronics 5V-30V Micro USB Power Adjustable Delay Relay Timer Control Module Trigger Delay Switch
