How to Breadboard a DIY USB power supply

While breadboarding may seem like some odd combination of snowboarding and consuming the fluffy pastry at the same time, it's actually just the technical term for using a construction base to build a prototype electric circuit. Breadboards are solderless so they're great for circuit design and are reusable.

Check out this hacks video to learn how to turn a 7805 Voltage REgulator and 4 AA batteries into a power supply that can charge anything which runs off USB.