Simple USB Switch : 4 Steps - Instructables

Simple USB Switch: This is the most simple USB  switch I could come up with. It doesn't require IC's or any other complex circuitry. All it requires is: One 4pdt switch Two USB female ports one USB cable and a case

Arduino USB : 5 Steps - Instructables

Cheap USB Slotcar Timer Interface V3.0 Working! : 4 Steps - Instructables

Simple USB Switch : 4 Steps - Instructables

Simple 9v Usb Charger in an Altoids Tin : 4 Steps - Instructables

NES Inspired Simple Phone Stand. : 12 Steps - Instructables

Simple USB Switch : 4 Steps - Instructables

Jig for Programming Sonoff Basic Switches : 5 Steps (with Pictures) - Instructables

USB Switch Improvement : 5 Steps (with Pictures) - Instructables

USB Switch Improvement : 5 Steps (with Pictures) - Instructables

USB Switch Improvement : 5 Steps (with Pictures) - Instructables

Simple Click on Click Off Circuit : 6 Steps (with Pictures) - Instructables

Simple Electronic Ignitor : 4 Steps - Instructables

3.5mm 5.1 Surround Sound Switch / Splitter Box : 5 Steps - Instructables