Do you want to use your mouse, keyboard or any USB device on multiple computers? You can make yourself a USB Switch and select the computer you want to activate as easy as turning a knob under the table. You can also connect a USB hub to switch multiple devices at once.

Parts needed:

1pc 4P3T 4 Pole 3 Position 6mm Shaft Diameter Band Selector Rotary Switch (https://a.aliexpress.com/_BOvqRz)

1pc Micro Mini USB USB A Male USB 2.0 3.0 A Female USB B Connector Interface to 2.54mm DIP PCB Converter Adapter Breakout Board https://a.aliexpress.com/_BOhg67

2pcs MICRO USB To DIP Adapter 5pin Female Connector BType PCB Converter Breadboard Switch Board SMT Mother Seat Phone DataCable https://a.aliexpress.com/_BUq3n1

2pcs Micro USB Cable 2A Fast Charging Data Charger Cable https://a.aliexpress.com/_BUkjUb

Also see my audio switcher https://www.thingiverse.com/thing:4726475