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USB-Relays
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fosa 5V 16 Channel USB Relay Module Computer Switch Control, USB Control Switch with PCB Board/High Sensitivity - Newegg.com
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China Low Price Free Drive Usb Control Switch 1 Way 5 V Relay Module - Quotation - GNS COMPONENTS
NOYITO 4-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch
LCUS-4 4 Channel USB Relay Module Smart Switch with Intellig_chinalctech
