Electronics - Not Longer Needed - Building an Arduino Controlled USB Switch Box | bit-tech.net Forums
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Amazon.com: USB Switch Selector 4 Port, AIMOS USB KVM Switcher 4 Computers Sharing 4 USB Devices One-Button Swapping, for Share Mouse, Keyboard, Printer, Scanner, with 4 USB Cables : Electronics
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Usb Selector Module, Key Switch, Usb Multiplexer, Dual-channel, Two-choice, Usb Circuit Board - Personal Care Appliance Parts - AliExpress
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