Each button from one to four corresponds to the buttons on the USB sharing switch. The ‘0’ button was also decoded as a convenience to put the Forebrain into its reprogramming mode.

For example, a USB switch allows sharing a printer or external storage drive with two or more computers. The selection is made either manually by pressing buttons or via software. If there are ...

Trying to share a display between your desktop and your Xbox, or a keyboard between two PCs? A KVM switch is what you need. Here's how to choose the best switch, along with our top picks.