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usb device - Switch two USB ports via relay - Electrical Engineering Stack Exchange
5V/220V 8 Channel Relay Shield Control interface USB 8 Kanal USB Rela, 15,50 €
fosa 5V 16 Channel USB Relay Module Computer Switch Control, USB Control Switch with PCB Board/High Sensitivity - Newegg.com
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USB-Relays
LCUS-4 4 Channel USB Relay Module Smart Switch with Intellig_chinalctech
USB Relay
KMTronic USB Two Relay Board for Solenoid Control
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DC 5V-30V Micro USB Power Adjustable Delay Relay Timer Control Trigger Delay Conduction Relay Switch Module 12V 24V | Lazada PH
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