What is the opinion of Reddit about the
USB Switch Selector,ABLEWE KVM Switcher 4-Port USB 2.0 Peripheral Sharing Switch for Mouse, Keyboard, Scanner, Printer with One-Button Switch and 2 Pack USB Cable?

A total of 2 reviews of this product on Reddit.

1 point

·

25th Sep 2020

You could possibly hack something like this to trigger off a 12v signal. Or you could use a relay for each wire, have it switch the connection using the 12v signal. If you want to get fancy you could use a multiplexer IC to direct the signals and have the power all connected together.