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

Automatic Generator Transfer Switch : 7 Steps - Instructables

How to Make Simple Remote Control (Switch ON and OFF) for Electrical Appliances. : 12 Steps - Instructables

USB Control of AC Powered Signs and Lamps : 6 Steps - Instructables

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

Control Your Bedroom Lights With a Simple DIY Push Switch : 8 Steps - Instructables

Sonoff Basic Rebuild to Low Voltage (12V) : 6 Steps - Instructables

A Simple 4 - Channel Adjustable Current Source : 6 Steps - Instructables

Really, REALLY Easy USB Motor! : 3 Steps - Instructables

Make a USB Switch : 7 Steps (with Pictures) - Instructables

Emergency USB Power Source (3D Printed) : 4 Steps (with Pictures) - Instructables

Mac OS Foot Switch From a Guitar Amp Pedal. : 12 Steps - Instructables